HSF1

gene
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Also known as HSTF1

Summary

HSF1 (heat shock transcription factor 1, HGNC:5224) is a protein-coding gene on chromosome 8q24.3, encoding Heat shock factor protein 1 (Q00613). Functions as a stress-inducible and DNA-binding transcription factor that plays a central role in the transcriptional activation of the heat shock response (HSR), leading to the expression of a large class of molecular chaperones, heat shock proteins (HSPs), that protect cells f…. It is a selective cancer dependency (DepMap: 45.0% of cell lines).

The product of this gene is a transcription factor that is rapidly induced after temperature stress and binds heat shock promoter elements (HSE). This protein plays a role in the regulation of lifespan. Expression of this gene is repressed by phosphorylation, which promotes binding by heat shock protein 90.

Source: NCBI Gene 3297 — RefSeq curated summary.

At a glance

  • GWAS associations: 1
  • Clinical variants (ClinVar): 95 total
  • Druggable target: yes — 1 molecules with ChEMBL bioactivity
  • Cancer dependency (DepMap): dependent in 45.0% of screened cell lines
  • Transcription factor: yes — 108 downstream targets (CollecTRI)
  • MANE Select transcript: NM_005526

Identifiers

Gene identifiers

FieldValue
HGNC IDHGNC:5224
Approved symbolHSF1
Nameheat shock transcription factor 1
Location8q24.3
Locus typegene with protein product
StatusApproved
AliasesHSTF1
Ensembl geneENSG00000185122
Ensembl biotypeprotein_coding
OMIM140580
Entrez3297

Gene structure

Transcript identifiers

Ensembl transcripts: 30 — 19 protein_coding, 8 retained_intron, 3 nonsense_mediated_decay

ENST00000400780, ENST00000527328, ENST00000528199, ENST00000528838, ENST00000528842, ENST00000528988, ENST00000529630, ENST00000530661, ENST00000531447, ENST00000532338, ENST00000533130, ENST00000533240, ENST00000534314, ENST00000614796, ENST00000862597, ENST00000862598, ENST00000862599, ENST00000862600, ENST00000862601, ENST00000862602, ENST00000862603, ENST00000862604, ENST00000862605, ENST00000912476, ENST00000960346, ENST00000960347, ENST00000960348, ENST00000960349, ENST00000960350, ENST00000960351

RefSeq mRNA: 1 — MANE Select: NM_005526 NM_005526

CCDS: CCDS6419

Canonical transcript exons

ENST00000528838 — 13 exons

ExonStartEnd
ENSE00001646174144309455144309591
ENSE00002175525144291604144291874
ENSE00002191910144314125144314720
ENSE00003497343144308906144309014
ENSE00003507105144313511144313616
ENSE00003548194144311700144311836
ENSE00003562204144309772144309896
ENSE00003584099144313985144314054
ENSE00003584809144311963144312244
ENSE00003592683144311505144311601
ENSE00003610382144311174144311249
ENSE00003624520144313846144313911
ENSE00003646326144311321144311382

Expression profiles

Bgee: expression breadth ubiquitous, 134 present calls, max score 98.55.

FANTOM5 (CAGE): breadth ubiquitous, TPM avg 77.4568 / max 565.2428, expressed in 1823 samples.

FANTOM5 promoters (8 alternative TSS)

Promoter IDTPM avgSamples expressed
9148675.15851822
914880.7130446
914930.6309396
914910.5301257
914920.163754
2054000.118838
914890.07169
914900.070315

Top tissues by expression

134 total, by Bgee expression score (0-100, higher = more expressed):

TissueAnatomy IDExpression scoreQuality
apex of heartUBERON:000209898.55gold quality
left testisUBERON:000453398.26gold quality
right testisUBERON:000453498.20gold quality
heart left ventricleUBERON:000208497.76gold quality
hindlimb stylopod muscleUBERON:000425297.49gold quality
right atrium auricular regionUBERON:000663197.39gold quality
stromal cell of endometriumCL:000225597.08gold quality
heartUBERON:000094897.04gold quality
gastrocnemiusUBERON:000138896.95gold quality
testisUBERON:000047396.94gold quality
lower esophagus muscularis layerUBERON:003583396.85gold quality
lower esophagusUBERON:001347396.84gold quality
popliteal arteryUBERON:000225096.80gold quality
tibial arteryUBERON:000761096.80gold quality
muscle layer of sigmoid colonUBERON:003580596.73gold quality
fundus of stomachUBERON:000116096.63gold quality
esophagogastric junction muscularis propriaUBERON:003584196.60gold quality
body of stomachUBERON:000116196.54gold quality
muscle of legUBERON:000138396.44gold quality
skeletal muscle tissueUBERON:000113496.38gold quality
right coronary arteryUBERON:000162596.27gold quality
prostate glandUBERON:000236796.23gold quality
body of pancreasUBERON:000115096.16gold quality
skin of legUBERON:000151196.16gold quality
left coronary arteryUBERON:000162696.15gold quality
left uterine tubeUBERON:000130396.11gold quality
mucosa of stomachUBERON:000119996.10gold quality
subcutaneous adipose tissueUBERON:000219096.10gold quality
right lungUBERON:000216796.09gold quality
pituitary glandUBERON:000000796.08gold quality

Single-cell (SCXA)

Detected in 2 experiment(s), a significant marker in 2.

ExperimentMarker?Max mean expression
E-ANND-3yes7.58
E-MTAB-9388yes7.55

Regulation

Is transcription factor: yes

Downstream targets (CollecTRI)

108 targets.

TargetRegulation
ABCB1Unknown
ABCB6
ADAM2
ATF3Unknown
ATG7Activation
BACE1
BAG3Repression
CDKN1ARepression
CDKN1B
CLUActivation
CRYABActivation
CRYGAUnknown
CRYGBUnknown
CRYGC
CSF1RRepression
CSF2
CSF3Activation
CXCL1Activation
CXCL2Activation
CXCL3
CXCL5Activation
CXCL8Activation
CYLC1
DLG1Activation
DNAJB1Activation
ERBB2
EYA1
FASUnknown
FASLG
FKBP4Unknown

JASPAR motifs

MotifNameFamily
MA0486.1HSF1HSF factors
MA0486.2HSF1HSF factors

JASPAR matrix evidence (PMIDs): PMID:17500587

Upstream regulators (CollecTRI, top): CEBPB, CEBPG, HIF1A, HSF1, NCOA6, NFATC2, NFIX, NFKB, SIRT1, SP1, TP53, TP73, YY1

miRNA regulators (miRDB)

19 targeting HSF1, top 30 by miRDB confidence (max_score; target_count = how many genes the miRNA targets in total — lower means more specific):

miRNAMax scoreAvg scoremiRNA target_count
HSA-MIR-4668-3P100.0068.742635
HSA-MIR-548C-3P99.9974.017587
HSA-MIR-6842-5P99.8067.541587
HSA-MIR-7110-5P99.8067.841712
HSA-MIR-6751-5P99.5664.991145
HSA-MIR-127599.4767.902749
HSA-MIR-797499.2465.481137
HSA-MIR-6803-5P99.1963.901026
HSA-MIR-465199.0667.572002
HSA-MIR-455-3P98.9467.68878
HSA-MIR-60898.9367.832013
HSA-MIR-442197.9964.89701
HSA-MIR-63797.9164.051517
HSA-MIR-5699-3P97.8165.00861
HSA-MIR-3173-5P97.3565.821282
HSA-MIR-6799-3P97.3565.601302
HSA-MIR-214-5P97.3466.50617
HSA-MIR-2355-3P96.8468.54909
HSA-MIR-10525-3P96.3268.04699

Functional genomics

DepMap (CRISPR cell-line fitness): dependent in 45.0% of screened cell lines.

Literature-anchored findings (GeneRIF, showing 40)

  • Heat shock factor 1 represses transcription of the IL-1beta gene through physical interaction with the nuclear factor of interleukin 6 (PMID:11801594)
  • Retrovirus-mediated transfer of dominant-negative mutant HSF1 leads to massive cell death of breast cancer cells after hyperthermia treatment. (PMID:11820785)
  • redox-dependent thiol-disulfide exchange in regulating conformation and activity (PMID:11851405)
  • HSF1 granules localize to the 9q11-q12 heterochromatic region. Within this locus, HSF1 binds through direct DNA-protein interaction with a nucleosome-containing subclass of satellite III repeats. (PMID:11877455)
  • Binding of the heat shock element of HSP47 by HSF1 is enhanced by TGF-beta or IL-1 beta and is augmented by a combination of both cytokines. (PMID:11994473)
  • HSF1 contains two functional domains that mediate transcriptional repression of the c-fos and c-fms genes (PMID:12468538)
  • examination of the role of the phosphorylation event in regulating SUMO-1 modification of HSF1 (PMID:12646186)
  • HSF1 activation by heat is correlated with the thermal activation of nuclear CK2 and overexpression of CK2 activates HSF1 (PMID:12659875)
  • HSF1 is modified by SUMO-1 and SUMO-2 in a stress-inducible manner. (PMID:12665592)
  • elevated expression of heat shock factor (HSF) 2A stimulates HSF1-induced transcription during oxidative stress in cancer cells (PMID:12813038)
  • modified heat shock factor can suppress HIV1 promoter activity by a mechanism involving interaction with Sp1 elements in the HIV1 promoter (PMID:12878154)
  • HSF1 binding to 14-3-3 epsilon requires HSF1 phosphorylation on serines 303 and 307, the serine phosphorylation-dependent binding of HSF1 to 14-3-3 epsilon results in the transcriptional repression of HSF1 and its sequestration in the cytoplasm. (PMID:12917326)
  • HSF1 does not have a role in transcriptional regulation of the human RANK ligand gene (PMID:14699143)
  • HSF1 regulates HSP gene expression at not one but two different steps of the expression pathway, functioning both as a transcription factor and a polyadenylation stimulatory factor (PMID:14707147)
  • HSF is an important transcription factor involved in up-regulation of VDUP1 expression by stresses such as high density and serum deprivation cultures (PMID:14766217)
  • results suggest that ASC-2 is a novel coactivator for HSF1 and heat shock stress may contribute to the strong active transcription complex through sequential recruitment of HSF1 and ASC-2. (PMID:14960326)
  • regulation by N-terminal truncated form of p73alpha (PMID:15081420)
  • HSF1 plays a functional role in cancer cells under nonstress conditions and influences cell cycle behavior and progression through mitosis and promotes the development of the aneuploid state (PMID:15152009)
  • Results suggest that mutant HSF1 abolishes thermotolerance in Bcap37 cells by enhancing Jun kinase and caspase-3 pathways after hyperthermia. (PMID:15358168)
  • HSF1 associates with ERK1 and 14-3-3epsilon during heat shock to modulate the amplitude of the response and lead to efficient termination of HSP expression on resumption of growth conditions (PMID:15364926)
  • The induction of HSF1 gene expression is associated with sporadic colon cancer. (PMID:15457556)
  • phosphorylation of HSF1 by PLK1 is an essential step for HSF1 nuclear translocation by heat stress (PMID:15661742)
  • Inactive, stress-responsive form of HSF1 accumulates in the nucleus due to a relatively potent import signal, which can be recognized by importin-alpha/beta, and simultaneously undergoes continuous nucleocytoplasmic shuttling. (PMID:15702990)
  • Phosphorylation of HSF1 residue serine326 plays a critical role in the induction of the factor’s transcriptional competence by heat stress; phosphoSer326 also contributes to activation of HSF1 by chemical stress (PMID:15760475)
  • Hsp90 is involved in hsp70 mRNA stabilisation and the HSF1 activation can be suppressed by high hydrostatic pressure (PMID:15777846)
  • HSF1 has a strong inhibitory effect on polyglutamine aggregate formation in vivo and in vitro (PMID:16051598)
  • HSF1 phosphorylation by MAPK-activated protein kinase 2 on serine 121, inhibits transcriptional activity and promotes HSP90 binding (PMID:16278218)
  • CHIP directly interacts with C-terminal deleted HSF1 but not with full-length HSF1 under non-stressed conditions, and with full-length HSF1 under heat shock treatment; interaction requires conformational change of HSF1 by heat stress. (PMID:16293251)
  • endogenous stress pressure in cancer cells sustained the high level expression of HSF1 and subsequently suppressed XAF1 expression, implicating the synergized effect of two anti-apoptotic protein families in cytoprotection under stress circumstances (PMID:16303760)
  • HSF1 can activate MDR-1 expression in a stress-independent manner that differs from the canonical heat shock-activated mechanism involved in HSP induction. (PMID:16382149)
  • Both NF-kappaB and HSF-1 are systemically activated in human acute pancreatitis. HSF-1 activation may protect against severity of pancreatitis. (PMID:16525201)
  • HSP25 and HSP70i activate HSF1 and have roles in inhibition of ERK1/2 phosphorylation (PMID:16624816)
  • Wild-type and constitutively active forms of HSF1 induce anticoagulation and relaxation factors in vascular endothelial cells and could therefore be used to treat cardiovascular disease. (PMID:16678833)
  • Both HSF1 and HSF2 were able to bind the hsp70 promoter not only in response to heat shock but also during hemin-induced differentiation of K562 erythroleukemia cells. (PMID:17213196)
  • identification of genes regulated directly and indirectly by HSF1 (PMID:17216044)
  • HSF1 is directly involved in the regulation of HO-1 with an anti-oxidative role (PMID:17244614)
  • IL-6, via the PI3-kinase/Akt pathway leads to inhibition of the repressive kinases MAPK/pERK and GSK3beta, and this converts inactive HSF-1 to an intermediate DNA-binding form augmenting transcriptional activation in the presence of a second stressor. (PMID:17273789)
  • activation of HSF1 and stabilization of Bcl-X(L) mediate a protective response that may contribute significantly to the cellular biology of lipid peroxidation (PMID:17873279)
  • The high expression of HSF1 in gastro-intestinal cancer is associated with suppressed expression of XAF1. (PMID:17884799)
  • Human cancer lines of diverse origins show much greater dependence on HSF1 function to maintain proliferation and survival than their nontransformed counterparts. (PMID:17889646)

Cross-species orthologs

4 orthologs

OrganismSymbolGene ID
mus_musculusHsf1ENSMUSG00000022556
rattus_norvegicusHsf1ENSRNOG00000021732
drosophila_melanogasterHsfFBGN0001222
caenorhabditis_eleganshsf-1WBGENE00002004

Paralogs (9): HSF2 (ENSG00000025156), HSF4 (ENSG00000102878), HSFY2 (ENSG00000169953), HSFX1 (ENSG00000171116), HSFY1 (ENSG00000172468), HSF5 (ENSG00000176160), HSFX2 (ENSG00000268738), HSFX4 (ENSG00000283463), HSFX3 (ENSG00000283697)

Protein

Protein identifiers

Heat shock factor protein 1Q00613 (reviewed: Q00613)

Alternative names: Heat shock transcription factor 1

All UniProt accessions (6): A0A087WWQ3, A0A087WXG6, A0A087X1F9, E9PI02, E9PMQ6, Q00613

UniProt curated annotations — full annotation on UniProt →

Function. Functions as a stress-inducible and DNA-binding transcription factor that plays a central role in the transcriptional activation of the heat shock response (HSR), leading to the expression of a large class of molecular chaperones, heat shock proteins (HSPs), that protect cells from cellular insult damage. In unstressed cells, is present in a HSP90-containing multichaperone complex that maintains it in a non-DNA-binding inactivated monomeric form. Upon exposure to heat and other stress stimuli, undergoes homotrimerization and activates HSP gene transcription through binding to site-specific heat shock elements (HSEs) present in the promoter regions of HSP genes. Upon heat shock stress, forms a chromatin-associated complex with TTC5/STRAP and p300/EP300 to stimulate HSR transcription, therefore increasing cell survival. Activation is reversible, and during the attenuation and recovery phase period of the HSR, returns to its unactivated form. Binds to inverted 5’-NGAAN-3’ pentamer DNA sequences. Binds to chromatin at heat shock gene promoters. Activates transcription of transcription factor FOXR1 which in turn activates transcription of the heat shock chaperones HSPA1A and HSPA6 and the antioxidant NADPH-dependent reductase DHRS2. Also serves several other functions independently of its transcriptional activity. Involved in the repression of Ras-induced transcriptional activation of the c-fos gene in heat-stressed cells. Positively regulates pre-mRNA 3’-end processing and polyadenylation of HSP70 mRNA upon heat-stressed cells in a symplekin (SYMPK)-dependent manner. Plays a role in nuclear export of stress-induced HSP70 mRNA. Plays a role in the regulation of mitotic progression. Also plays a role as a negative regulator of non-homologous end joining (NHEJ) repair activity in a DNA damage-dependent manner. Involved in stress-induced cancer cell proliferation in a IER5-dependent manner. (Microbial infection) Plays a role in latent human immunodeficiency virus (HIV-1) transcriptional reactivation. Binds to the HIV-1 long terminal repeat promoter (LTR) to reactivate viral transcription by recruiting cellular transcriptional elongation factors, such as CDK9, CCNT1 and EP300.

Subunit / interactions. Monomer; cytoplasmic latent and transcriptionally inactive monomeric form in unstressed cells. Homotrimer; in response to stress, such as heat shock, homotrimerizes and translocates into the nucleus, binds to heat shock element (HSE) sequences in promoter of heat shock protein (HSP) genes and acquires transcriptional ability. Interacts (via monomeric form) with FKBP4; this interaction occurs in unstressed cells. Associates (via monomeric form) with HSP90 proteins in a multichaperone complex in unnstressed cell; this association maintains HSF1 in a non-DNA-binding and transcriptional inactive form by preventing HSF1 homotrimerization. Homotrimeric transactivation activity is modulated by protein-protein interactions and post-translational modifications. Interacts with HSP90AA1; this interaction is decreased in a IER5-dependent manner, promoting HSF1 accumulation in the nucleus, homotrimerization and DNA-binding activities. Part (via regulatory domain in the homotrimeric form) of a large heat shock-induced HSP90-dependent multichaperone complex at least composed of FKBP4, FKBP5, HSP90 proteins, PPID, PPP5C and PTGES3; this association maintains the HSF1 homotrimeric DNA-bound form in a transcriptionally inactive form. Interacts with BAG3 (via BAG domain); this interaction occurs in normal and heat-shocked cells promoting nuclear shuttling of HSF1 in a BAG3-dependent manner. Interacts (via homotrimeric and hyperphosphorylated form) with FKBP4; this interaction occurs upon heat shock in a HSP90-dependent multichaperone complex. Interacts (via homotrimeric form preferentially) with EEF1A proteins. In heat shocked cells, stress-denatured proteins compete with HSF1 homotrimeric DNA-bound form for association of the HSP90-dependent multichaperone complex, and hence alleviating repression of HSF1-mediated transcriptional activity. Interacts (via homotrimeric form preferentially) with DAXX; this interaction relieves homotrimeric HSF1 from repression of its transcriptional activity by HSP90-dependent multichaperone complex upon heat shock. Interacts (via D domain and preferentially with hyperphosphorylated form) with JNK1; this interaction occurs under both normal growth conditions and immediately upon heat shock. Interacts (via D domain and preferentially with hyperphosphorylated form) with MAPK3; this interaction occurs upon heat shock. Interacts with IER5 (via central region); this interaction promotes PPP2CA-induced dephosphorylation on Ser-121, Ser-307, Ser-314, Thr-323 and Thr-367 and HSF1 transactivation activity. Found in a ribonucleoprotein complex composed of the HSF1 homotrimeric form, translation elongation factor eEF1A proteins and non-coding RNA heat shock RNA-1 (HSR1); this complex occurs upon heat shock and stimulates HSF1 DNA-binding activity. Interacts (via transactivation domain) with HSPA1A/HSP70 and DNAJB1; these interactions result in the inhibition of heat shock- and HSF1-induced transcriptional activity during the attenuation and recovery phase from heat shock. Interacts (via Ser-303 and Ser-307 phosphorylated form) with YWHAE; this interaction promotes HSF1 sequestration in the cytoplasm in an ERK-dependent manner. Found in a complex with IER5 and PPP2CA. Interacts with TPR; this interaction increases upon heat shock and stimulates export of HSP70 mRNA. Interacts with SYMPK (via N-terminus) and CSTF2; these interactions occur upon heat shock. Interacts (via transactivation domain) with HSPA8. Interacts with EEF1D; this interaction occurs at heat shock promoter element (HSE) sequences. Interacts with MAPKAPK2. Interacts with PRKACA/PKA. Interacts (via transactivation domain) with GTF2A2. Interacts (via transactivation domain) with GTF2B. Interacts (via transactivation domain) with TBP. Interacts with CDK9, CCNT1 and EP300. Interacts (via N-terminus) with XRCC5 (via N-terminus) and XRCC6 (via N-terminus); these interactions are direct and prevent XRCC5/XRCC6 heterodimeric binding and non-homologous end joining (NHEJ) repair activities induced by ionizing radiation (IR). Interacts with PLK1; this interaction occurs during the early mitotic period, increases upon heat shock but does not modulate neither HSF1 homotrimerization and DNA-binding activities. Interacts (via Ser-216 phosphorylated form) with CDC20; this interaction occurs in mitosis in a MAD2L1-dependent manner and prevents PLK1-stimulated degradation of HSF1 by blocking the recruitment of the SCF(BTRC) ubiquitin ligase complex. Interacts with MAD2L1; this interaction occurs in mitosis. Interacts with BTRC; this interaction occurs during mitosis, induces its ubiquitin-dependent degradation following stimulus-dependent phosphorylation at Ser-216, a process inhibited by CDC20. Interacts with HSP90AA1 and HSP90AB1. Forms a complex with TTC5/STRAP and p300/EP300; these interactions augment chromatin-bound HSF1 and p300/EP300 histone acetyltransferase activity.

Subcellular location. Nucleus. Cytoplasm. Nucleoplasm. Perinuclear region. Cytoskeleton. Spindle pole. Microtubule organizing center. Centrosome. Chromosome. Centromere. Kinetochore.

Post-translational modifications. Phosphorylated. Phosphorylated in unstressed cells; this phosphorylation is constitutive and implicated in the repression of HSF1 transcriptional activity. Phosphorylated on Ser-121 by MAPKAPK2; this phosphorylation promotes interaction with HSP90 proteins and inhibits HSF1 homotrimerization, DNA-binding and transactivation activities. Phosphorylation on Ser-303 by GSK3B/GSK3-beta and on Ser-307 by MAPK3 within the regulatory domain is involved in the repression of HSF1 transcriptional activity and occurs in a RAF1-dependent manner. Phosphorylation on Ser-303 and Ser-307 increases HSF1 nuclear export in a YWHAE- and XPO1/CRM1-dependent manner. Phosphorylation on Ser-307 is a prerequisite for phosphorylation on Ser-303. According to PubMed:9535852, Ser-303 is not phosphorylated in unstressed cells. Phosphorylated on Ser-419 by PLK1; phosphorylation promotes nuclear translocation upon heat shock. Hyperphosphorylated upon heat shock and during the attenuation and recovery phase period of the heat shock response. Phosphorylated on Thr-142; this phosphorylation increases HSF1 transactivation activity upon heat shock. Phosphorylation on Ser-230 by CAMK2A; this phosphorylation enhances HSF1 transactivation activity upon heat shock. Phosphorylation on Ser-326 by MAPK12; this phosphorylation enhances HSF1 nuclear translocation, homotrimerization and transactivation activities upon heat shock. Phosphorylated on Ser-320 by PRKACA/PKA; this phosphorylation promotes nuclear localization and transcriptional activity upon heat shock. Phosphorylated on Ser-363 by MAPK8; this phosphorylation occurs upon heat shock, induces HSF1 translocation into nuclear stress bodies and negatively regulates transactivation activity. Neither basal nor stress-inducible phosphorylation on Ser-230, Ser-292, Ser-303, Ser-307, Ser-314, Ser-319, Ser-320, Thr-323, Ser-326, Ser-338, Ser-344, Ser-363, Thr-367, Ser-368 and Thr-369 within the regulatory domain is involved in the regulation of HSF1 subcellular localization or DNA-binding activity; however, it negatively regulates HSF1 transactivation activity. Phosphorylated on Ser-216 by PLK1 in the early mitotic period; this phosphorylation regulates HSF1 localization to the spindle pole, the recruitment of the SCF(BTRC) ubiquitin ligase complex inducing HSF1 degradation, and hence mitotic progression. Dephosphorylated on Ser-121, Ser-307, Ser-314, Thr-323 and Thr-367 by phosphatase PPP2CA in an IER5-dependent manner, leading to HSF1-mediated transactivation activity. Sumoylated with SUMO1 and SUMO2 upon heat shock in a ERK2-dependent manner. Sumoylated by SUMO1 on Lys-298; sumoylation occurs upon heat shock and promotes its localization to nuclear stress bodies and DNA-binding activity. Phosphorylation on Ser-303 and Ser-307 is probably a prerequisite for sumoylation. Acetylated on Lys-118; this acetylation is decreased in a IER5-dependent manner. Acetylated on Lys-118, Lys-208 and Lys-298; these acetylations occur in a EP300-dependent manner. Acetylated on Lys-80; this acetylation inhibits DNA-binding activity upon heat shock. Deacetylated on Lys-80 by SIRT1; this deacetylation increases DNA-binding activity. Ubiquitinated by SCF(BTRC) and degraded following stimulus-dependent phosphorylation at Ser-216 by PLK1 in mitosis. Polyubiquitinated. Undergoes proteasomal degradation upon heat shock and during the attenuation and recovery phase period of the heat shock response.

Domain organisation. In unstressed cells, spontaneous homotrimerization is inhibited. Intramolecular interactions between the hydrophobic repeat HR-A/B and HR-C regions are necessary to maintain HSF1 in the inactive, monomeric conformation. Furthermore, intramolecular interactions between the regulatory domain and the nonadjacent transactivation domain prevents transcriptional activation, a process that is relieved upon heat shock. The regulatory domain is necessary for full repression of the transcriptional activation domain in unstressed cells through its phosphorylation on Ser-303 and Ser-307. In heat stressed cells, HSF1 homotrimerization occurs through formation of a three-stranded coiled-coil structure generated by intermolecular interactions between HR-A/B regions allowing DNA-binding activity. The D domain is necessary for translocation to the nucleus, interaction with JNK1 and MAPK3 and efficient JNK1- and MAPK3-dependent phosphorylation. The regulatory domain confers heat shock inducibility on the transcriptional transactivation domain. The regulatory domain is necessary for transcriptional activation through its phosphorylation on Ser-230 upon heat shock. 9aaTAD is a transactivation motif present in a large number of yeast and animal transcription factors.

Similarity. Belongs to the HSF family.

Isoforms (2)

UniProt IDNamesCanonical?
Q00613-1Longyes
Q00613-2Short

RefSeq proteins (1): NP_005517* (*=MANE)

Domains & families (InterPro)

IDNameType
IPR000232HSF_DNA-bdDomain
IPR010542Vert_HSTF_CDomain
IPR036388WH-like_DNA-bd_sfHomologous_superfamily
IPR036390WH_DNA-bd_sfHomologous_superfamily

Pfam: PF00447, PF06546

UniProt features (130 total): mutagenesis site 70, modified residue 26, region of interest 10, cross-link 7, helix 6, strand 6, splice variant 2, chain 1, short sequence motif 1, turn 1

Structure

Experimental structures (PDB)

8 structures.

PDBMethodResolution (Å)
5HDNX-RAY DIFFRACTION1.68
5HDGX-RAY DIFFRACTION1.7
7DCJX-RAY DIFFRACTION2
7DCTX-RAY DIFFRACTION2.36
7DCSX-RAY DIFFRACTION2.4
5D5VX-RAY DIFFRACTION2.55
5D5UX-RAY DIFFRACTION2.91
2LDUSOLUTION NMR

Predicted structure (AlphaFold)

ModelpLDDTFraction very-high
AF-Q00613-F162.610.27

Functional residue map

Curated UniProt residues grouped by drug-discovery relevance — catalytic, ligand-binding, modification, and mutation-validated positions. Source: UniProtKB sequence features.

Post-translational modifications (33): 1, 80, 91, 118, 121, 142, 150, 188, 208, 216, 230, 275, 292, 298, 303, 307, 314, 319, 320, 323 …

Mutagenesis-validated functional residues (70):

PositionPhenotype
320decreased nuclear localization and transcriptional activity upon heat shock.
320increased nuclear localization and transcriptional activity upon heat shock.
323decreased hsf1-induced expression of hspa1a mrna in a ier5-dependent manner; when associated with d-121; d-307; d-314 an
326no phosphorylation. increased nuclear localization upon heat shock. no effect on oligomerization, dna-binding activities
326does not change interaction with xrcc5 and xrcc6.
363decreases mapk8-induced phosphorylation and does not negatively regulates transactivating activity upon heat shock. no e
367decreased hsf1-induced expression of hspa1a mrna in a ier5-dependent manner; when associated with d-121; d-307; d-314 an
381no effect on sumoylation.
391does not lead to constitutive dna-binding activity at 20 degrees celsius. leads to weak constitutive dna-binding and hom
391leads to constitutive dna-binding and homotrimerization activities at 20 degrees celsius. does not lead to constitutive
391leads to constitutive dna-binding and homotrimerization activities at 20 degrees celsius. no effect on dna-binding activ
395leads to constitutive dna-binding and homotrimerization activities at 20 degrees celsius. no effect on dna-binding activ
419does not change interaction with xrcc5 and xrcc6. decreased nuclear localization upon heat shock. strongly decreases plk
419does not change interaction with xrcc5 and xrcc6.
527no change in binding hse nor on transcriptional activity. decreased binding hse; when associated with a-529.
529no change in binding hse nor on transcriptional activity. decreased binding hse; when associated with a-527.
22inhibits hse dna-binding activity and transcriptional activation.
80loss of nuclear stress bodies localization. loss of dna-binding and transcriptional activities upon heat shock. no chang
80does not change interaction with xrcc5 and xrcc6. loss of nuclear stress bodies localization. decreased nuclear stress b
91no effect on sumoylation.
118loss of nuclear stress bodies localization. no change in protein abundance.
118no change in nuclear stress bodies localization.
120no effect on binding hse nor on transcriptional activity.
121increased binding hse and transcriptional activity. greatly reduced binding to hsp90aa1. no effect on mapkapk2 binding.

Function

Pathways and Gene Ontology

Reactome pathways

6 pathways

IDPathway
R-HSA-3371453Regulation of HSF1-mediated heat shock response
R-HSA-3371511HSF1 activation
R-HSA-3371568Attenuation phase
R-HSA-3371571HSF1-dependent transactivation
R-HSA-9646399Aggrephagy
R-HSA-9841251Mitochondrial unfolded protein response (UPRmt)

MSigDB gene sets: 299 (showing top): GOBP_MYELOID_CELL_DIFFERENTIATION, GOBP_REGULATION_OF_DOUBLE_STRAND_BREAK_REPAIR, GOBP_NEGATIVE_REGULATION_OF_PROTEIN_CONTAINING_COMPLEX_ASSEMBLY, ELVIDGE_HYPOXIA_DN, GOBP_RESPONSE_TO_NITROGEN_COMPOUND, GOBP_EMBRYO_DEVELOPMENT_ENDING_IN_BIRTH_OR_EGG_HATCHING, GOBP_RESPONSE_TO_IONIZING_RADIATION, GOBP_POSITIVE_REGULATION_OF_HEMOPOIESIS, GOBP_REGULATION_OF_DEVELOPMENTAL_GROWTH, GOBP_NEGATIVE_REGULATION_OF_DNA_REPAIR, GOBP_CELLULAR_RESPONSE_TO_CADMIUM_ION, GOBP_POSITIVE_REGULATION_OF_MITOTIC_CELL_CYCLE, GOBP_GROWTH, THEILGAARD_NEUTROPHIL_AT_SKIN_WOUND_DN, GOBP_CELLULAR_RESPONSE_TO_GAMMA_RADIATION

GO Biological Process (62): negative regulation of transcription by RNA polymerase II (GO:0000122), MAPK cascade (GO:0000165), embryonic placenta development (GO:0001892), DNA repair (GO:0006281), regulation of transcription by RNA polymerase II (GO:0006357), mRNA processing (GO:0006397), defense response (GO:0006952), female meiotic nuclear division (GO:0007143), spermatogenesis (GO:0007283), response to nutrient (GO:0007584), positive regulation of gene expression (GO:0010628), negative regulation of cardiac muscle cell apoptotic process (GO:0010667), response to activity (GO:0014823), negative regulation of protein-containing complex assembly (GO:0031333), negative regulation of tumor necrosis factor production (GO:0032720), response to testosterone (GO:0033574), cellular response to heat (GO:0034605), cellular response to unfolded protein (GO:0034620), cellular response to potassium ion (GO:0035865), positive regulation of multicellular organism growth (GO:0040018), positive regulation of macrophage differentiation (GO:0045651), positive regulation of mitotic cell cycle (GO:0045931), positive regulation of transcription by RNA polymerase II (GO:0045944), epithelial cell proliferation (GO:0050673), negative regulation of epithelial cell proliferation (GO:0050680), mRNA transport (GO:0051028), embryonic process involved in female pregnancy (GO:0060136), positive regulation of stress granule assembly (GO:0062029), protein-containing complex assembly (GO:0065003), cellular response to hydrogen peroxide (GO:0070301), cellular response to lipopolysaccharide (GO:0071222), cellular response to cadmium ion (GO:0071276), cellular response to copper ion (GO:0071280), cellular response to estradiol stimulus (GO:0071392), cellular response to xenobiotic stimulus (GO:0071466), cellular response to gamma radiation (GO:0071480), cellular response to diamide (GO:0072738), negative regulation of inclusion body assembly (GO:0090084), positive regulation of inclusion body assembly (GO:0090261), positive regulation of cold-induced thermogenesis (GO:0120162)

GO Molecular Function (23): transcription cis-regulatory region binding (GO:0000976), RNA polymerase II cis-regulatory region sequence-specific DNA binding (GO:0000978), DNA-binding transcription factor activity, RNA polymerase II-specific (GO:0000981), RNA polymerase II intronic transcription regulatory region sequence-specific DNA binding (GO:0001162), DNA-binding transcription repressor activity, RNA polymerase II-specific (GO:0001227), DNA-binding transcription activator activity, RNA polymerase II-specific (GO:0001228), DNA binding (GO:0003677), DNA-binding transcription factor activity (GO:0003700), protein kinase binding (GO:0019901), heat shock protein binding (GO:0031072), chromatin DNA binding (GO:0031490), identical protein binding (GO:0042802), sequence-specific DNA binding (GO:0043565), protein heterodimerization activity (GO:0046982), Hsp90 protein binding (GO:0051879), translation elongation factor binding (GO:0061770), STAT family protein binding (GO:0097677), sequence-specific single stranded DNA binding (GO:0098847), general transcription initiation factor binding (GO:0140296), sequence-specific double-stranded DNA binding (GO:1990837), promoter-specific chromatin binding (GO:1990841), chromatin binding (GO:0003682), protein binding (GO:0005515)

GO Cellular Component (21): kinetochore (GO:0000776), chromatin (GO:0000785), euchromatin (GO:0000791), heterochromatin (GO:0000792), nucleus (GO:0005634), nucleoplasm (GO:0005654), cytoplasm (GO:0005737), centrosome (GO:0005813), cytosol (GO:0005829), PML body (GO:0016605), pronucleus (GO:0045120), perinuclear region of cytoplasm (GO:0048471), nuclear stress granule (GO:0097165), mitotic spindle pole (GO:0097431), protein folding chaperone complex (GO:0101031), ribonucleoprotein complex (GO:1990904), chromosome, centromeric region (GO:0000775), spindle pole (GO:0000922), chromosome (GO:0005694), cytoskeleton (GO:0005856), protein-containing complex (GO:0032991)

Reactome top-level categories

Rollup of top-4 pathways:

CategoryPathways
Cellular response to heat stress3
HSF1-dependent transactivation1
Selective autophagy1
Cellular responses to stress1

GO top-level categories

Rollup of top GO terms by namespace:

CategoryTerms
cellular anatomical structure6
RNA polymerase II transcription regulatory region sequence-specific DNA binding5
chromatin3
protein binding3
intracellular membraneless organelle3
regulation of transcription by RNA polymerase II2
transcription by RNA polymerase II2
regulation of DNA-templated transcription2
DNA-binding transcription factor activity, RNA polymerase II-specific2
DNA binding2
sequence-specific DNA binding2
cytoplasm2
negative regulation of DNA-templated transcription1
intracellular signaling cassette1
in utero embryonic development1
placenta development1
embryonic organ development1
DNA metabolic process1
DNA damage response1
RNA processing1
mRNA metabolic process1
response to stress1
female gamete generation1
meiotic cell cycle1
meiotic nuclear division1
developmental process involved in reproduction1
male gamete generation1
response to nutrient levels1
response to chemical1
gene expression1
regulation of gene expression1
positive regulation of macromolecule biosynthetic process1
cardiac muscle cell apoptotic process1
negative regulation of striated muscle cell apoptotic process1
regulation of cardiac muscle cell apoptotic process1
response to stimulus1
regulation of protein-containing complex assembly1
negative regulation of cellular component organization1
protein-containing complex assembly1
tumor necrosis factor production1

Protein interactions and networks

STRING

1401 interactions, top by confidence (×1000):

Protein AProtein BPartner UniProtScore
HSF1HSP90AA1P07900957
HSF1HSP90AB1P08238957
HSF1HSPA4P34932943
HSF1GNL1P36915839
HSF1HSPB1P04792725
HSF1DNAJB1P25685724
HSF1BOP1Q14137655
HSF1HSPA1AP08107624
HSF1ZC3HAV1Q7Z2W4608
HSF1HSPB2Q16082604
HSF1HSPB3Q12988583
HSF1EEF1A1P04719566
HSF1BAG1Q99933531
HSF1MYCP01106512
HSF1HSPA8P11142512

IntAct

136 interactions, top by confidence:

ABTypeScore
HSF1HSF2psi-mi:“MI:0915”(physical association)0.880
HSF1HSF2psi-mi:“MI:0407”(direct interaction)0.880
HSF2HSF1psi-mi:“MI:0915”(physical association)0.880
PLK1SPAG9psi-mi:“MI:0914”(association)0.790
HSPA8GAKpsi-mi:“MI:0914”(association)0.760
HSF1KPNA3psi-mi:“MI:0914”(association)0.640
HSF1MAPKAPK2psi-mi:“MI:0915”(physical association)0.600
HSF1MAPKAPK2psi-mi:“MI:0217”(phosphorylation reaction)0.600
MAPKAPK2HSF1psi-mi:“MI:0915”(physical association)0.600
HSF1IER5psi-mi:“MI:0915”(physical association)0.590
IER5HSF1psi-mi:“MI:0915”(physical association)0.590
HSF1HSF1psi-mi:“MI:0407”(direct interaction)0.570
HSF1HSF1psi-mi:“MI:2364”(proximity)0.570
HSF1psi-mi:“MI:0915”(physical association)0.560
SCGB1A1HSF1psi-mi:“MI:0915”(physical association)0.560
HSF1ZNF232psi-mi:“MI:0915”(physical association)0.560
HSF1PRMT5psi-mi:“MI:0915”(physical association)0.560
HSF1LPIN1psi-mi:“MI:0915”(physical association)0.560
HSF1ITGB3BPpsi-mi:“MI:0915”(physical association)0.560
HSF1KLF15psi-mi:“MI:0915”(physical association)0.560
HSF1TMEM185Apsi-mi:“MI:0915”(physical association)0.560

BioGRID (778): HSF1 (Affinity Capture-Western), NCOA6 (Reconstituted Complex), CREBBP (Reconstituted Complex), NCOA6 (Affinity Capture-Western), HSF1 (Affinity Capture-Western), HSF1 (Reconstituted Complex), HSF1 (Affinity Capture-MS), HSF1 (Affinity Capture-MS), HSF1 (Affinity Capture-MS), HSF1 (Affinity Capture-MS), HSF1 (Affinity Capture-MS), HSF1 (Affinity Capture-Western), HSF1 (Affinity Capture-Western), HSF1 (Affinity Capture-Western), HSF1 (Two-hybrid)

ESM2 similar proteins: A1L224, A2VD01, D3ZLB7, F6VAN0, G3V909, O02761, O35451, O43889, O77628, O88479, O94983, O97930, P01100, P01101, P01102, P0C0N8, P0C0N9, P11939, P12841, P18850, P20389, P38532, Q00613, Q08CW8, Q08DJ8, Q1LYG4, Q3SYZ3, Q502F0, Q56TN0, Q56TT7, Q5FVM5, Q5RCM9, Q5UEM7, Q5UEM8, Q61817, Q64210, Q66HA2, Q68CJ9, Q6QDP7, Q6ZPJ0

Diamond homologs: A0A1B0GTS1, A0A1B0GWH4, B7XIV9, C4V6H6, D0VYS2, G0SB31, G5EFT5, J9VHZ9, O14283, O49403, P10961, P22121, P22335, P22813, P38529, P38530, P38531, P38532, P38533, P41151, P41153, P41154, Q00613, Q02953, Q03933, Q08DJ8, Q10PR4, Q1HGE8, Q1PDN3, Q338B0, Q40152, Q4G112, Q5A4X5, Q5AQ33, Q5CZP2, Q5KMX8, Q5ND04, Q652B0, Q67TP9, Q6F388

SIGNOR signaling

29 interactions.

AEffectBMechanism
PRKACAup-regulatesHSF1phosphorylation
PLK1down-regulatesHSF1phosphorylation
PRKCQup-regulatesHSF1phosphorylation
MAPK8“down-regulates activity”HSF1phosphorylation
HSF1“up-regulates quantity by expression”HSPA6“transcriptional regulation”
HSBP1“down-regulates activity”HSF1binding
DYRK2“up-regulates activity”HSF1phosphorylation
AKT1“up-regulates activity”HSF1phosphorylation
HIPK3“up-regulates activity”HSF1phosphorylation
MAP2K1“up-regulates activity”HSF1phosphorylation
MAPKAPK2“down-regulates activity”HSF1phosphorylation
AKT2“up-regulates activity”HSF1phosphorylation
GSK3Bdown-regulatesHSF1phosphorylation
MAPK3down-regulatesHSF1phosphorylation
CSNK2A2up-regulatesHSF1phosphorylation
CAMK2A“up-regulates activity”HSF1phosphorylation
CSNK2A1“up-regulates activity”HSF1phosphorylation
GSK3B“down-regulates activity”HSF1phosphorylation

Enriched among interaction partners

Reactome pathways and GO biological processes over-represented among this gene’s 98 IntAct physical interaction partners (hypergeometric vs the genome-wide background, BH-FDR, gene-set size 15–500, ranked by fold). A functional readout of the neighbourhood — distinct from this gene’s own memberships above, and biased toward well-studied / hub proteins, so read it as themes rather than proof.

Reactome pathways:

PathwayPartnersFoldFDR
Cellular response to heat stress741.1×6e-08
Regulation of HSF1-mediated heat shock response1020.8×2e-08
PKR-mediated signaling510.5×4e-03
Death Receptor Signaling510.4×4e-03
G2/M Checkpoints510.0×4e-03
Cell Cycle Checkpoints79.2×6e-04
Clathrin-mediated endocytosis78.9×7e-04
Cell Cycle, Mitotic128.6×2e-06

GO biological processes:

GO termPartnersFoldFDR
cellular response to heat727.4×4e-06
positive regulation of proteasomal ubiquitin-dependent protein catabolic process614.4×7e-04
regulation of protein stability68.6×4e-03
protein folding78.2×2e-03
protein stabilization107.6×3e-04
cell division105.2×2e-03

Disease & clinical

Clinical variants and AI predictions

ClinVar

95 variants total. Per-class counts are floors (≥ shown; pagination cap):

ClassificationCount (floor)
Pathogenic0
Likely pathogenic0
Uncertain significance66
Likely benign6
Benign2

Top pathogenic / likely-pathogenic (0)

SpliceAI

2487 predictions. Top by Δscore:

VariantEffectΔscore
8:144291870:GCCCG:Gdonor_gain1.0000
8:144308904:A:AGacceptor_gain1.0000
8:144308904:AGAGC:Aacceptor_gain1.0000
8:144308905:G:GGacceptor_gain1.0000
8:144308905:GA:Gacceptor_gain1.0000
8:144308905:GAGC:Gacceptor_gain1.0000
8:144308905:GAGCG:Gacceptor_gain1.0000
8:144309010:CATGT:Cdonor_gain1.0000
8:144309011:ATGT:Adonor_gain1.0000
8:144309013:GT:Gdonor_gain1.0000
8:144309015:G:GAdonor_loss1.0000
8:144309015:G:GGdonor_gain1.0000
8:144309016:TGAG:Tdonor_loss1.0000
8:144309448:T:Gacceptor_gain1.0000
8:144309448:T:TAacceptor_gain1.0000
8:144309450:TGCA:Tacceptor_loss1.0000
8:144309453:A:AGacceptor_gain1.0000
8:144309453:AGAT:Aacceptor_gain1.0000
8:144309453:AGATG:Aacceptor_gain1.0000
8:144309454:G:GAacceptor_gain1.0000
8:144309454:GA:Gacceptor_gain1.0000
8:144309454:GAT:Gacceptor_gain1.0000
8:144309454:GATG:Gacceptor_gain1.0000
8:144309454:GATGG:Gacceptor_gain1.0000
8:144309579:G:GTdonor_gain1.0000
8:144309580:A:Tdonor_gain1.0000
8:144309587:CCAGT:Cdonor_gain1.0000
8:144309588:CAGT:Cdonor_gain1.0000
8:144309590:GT:Gdonor_gain1.0000
8:144309590:GTGTG:Gdonor_loss1.0000

AlphaMissense

3486 scored. Top likely-pathogenic:

VariantProtein changeam_pathogenicity
8:144291809:T:CF18L1.000
8:144291810:T:CF18S1.000
8:144291810:T:GF18C1.000
8:144291811:C:AF18L1.000
8:144291811:C:GF18L1.000
8:144291813:T:CL19P1.000
8:144291818:A:GK21E1.000
8:144291820:G:CK21N1.000
8:144291820:G:TK21N1.000
8:144291822:T:CL22P1.000
8:144291831:T:AL25H1.000
8:144291831:T:CL25P1.000
8:144291861:T:AI35N1.000
8:144291866:T:AW37R1.000
8:144291866:T:CW37R1.000
8:144291868:G:CW37C1.000
8:144291868:G:TW37C1.000
8:144308918:T:CF44L1.000
8:144308919:T:CF44S1.000
8:144308920:C:AF44L1.000
8:144308920:C:GF44L1.000
8:144308925:T:AV46E1.000
8:144308942:T:CF52L1.000
8:144308943:T:CF52S1.000
8:144308943:T:GF52C1.000
8:144308944:T:AF52L1.000
8:144308944:T:GF52L1.000
8:144308946:C:AA53D1.000
8:144308958:T:AL57Q1.000
8:144308958:T:CL57P1.000

dbSNP variants (sampled 300 via entrez): RS1000290335 (8:144294665 T>C), RS1000388583 (8:144304148 G>A,C), RS1000414615 (8:144299250 T>C), RS1000797555 (8:144307878 T>C), RS1000828949 (8:144308035 A>G), RS1001075726 (8:144312492 C>T), RS1001344950 (8:144291123 C>G,T), RS1001404343 (8:144312291 A>G), RS1001418587 (8:144291971 A>G), RS1001500299 (8:144310092 C>A), RS1001507428 (8:144312719 C>G,T), RS1001934985 (8:144295632 C>T), RS1002068617 (8:144314637 G>A,C), RS1002081754 (8:144300296 A>G), RS1002154027 (8:144300436 C>G,T)

Disease associations

OMIM: gene MIM:140580 | disease phenotypes:

GenCC curated gene-disease

Mondo (0):

Orphanet (0):

HPO phenotypes

0 total (0 of 0 shown, HPO-id order):

GWAS associations

1 associations (top):

StudyTraitp-value
GCST004858_12Dupuytren’s disease5.000000e-14

EFO canonical traits (1, from GWAS)

EFO IDTrait name
EFO:0004229Dupuytren Contracture

Drugs & pharmacology

Drug and pharmacology data

Is drug target: yes

ChEMBL targets (2): CHEMBL3988631 (PROTEIN FAMILY), CHEMBL5869 (SINGLE PROTEIN)

Molecules with ChEMBL bioactivity

1 molecules (phase ≥1), by development phase (incl. off-target/promiscuous compounds). Patent mentions across the top 20 by phase: 2,257 (via chembl_molecule»patent_compound — counts attach to the compound, not the gene–compound relationship, so off-target/promiscuous molecules can dominate).

MoleculeNamePhasePatents
CHEMBL2103840DINACICLIB32,257

PharmGKB: 1 entry (VIP=true, CPIC=false)

ChEMBL bioactivities

63 potent at pChembl≥5 of 108 total, top 50 by pChembl (potency: 10 = 0.1 nM, 6 = 1 µM).

pChemblTypeValueUnitMolecule
8.55IC502.8nMCHEMBL4070633
8.55IC502.818nMCHEMBL4070633
8.15IC507nMDINACICLIB
7.92IC5012.02nMCHEMBL4063330
7.92IC5012nMCHEMBL4063330
7.85IC5014nMCHEMBL3975567
7.82IC5015nMCHEMBL3937369
7.73IC5018.62nMCHEMBL4087666
7.72IC5019nMCHEMBL4087666
7.58IC5026nMCHEMBL4102297
7.58IC5026.3nMCHEMBL4102297
7.55IC5028nMCHEMBL3911352
7.41IC5039nMCHEMBL3964729
7.40IC5039.81nMCHEMBL4087666
7.40IC5040nMCHEMBL4087666
7.35IC5045nMCHEMBL3972065
7.29IC5051.29nMCHEMBL4069552
7.29IC5051nMCHEMBL4069552
7.26IC5055nMCHEMBL3953713
7.24IC5057nMCHEMBL3928361
7.17IC5067.61nMCHEMBL4070633
7.17IC5068nMCHEMBL4070633
7.10IC5080nMCHEMBL3919811
6.94IC50114.8nMCHEMBL4070302
6.92IC50120nMCHEMBL4070302
6.78IC50165nMCHEMBL3983798
6.70IC50198nMCHEMBL3901185
6.66IC50220nMCHEMBL4096048
6.65IC50223.9nMCHEMBL4096048
6.53IC50295nMCHEMBL3900925
6.35IC50450nMCHEMBL3919459
6.35IC50446.7nMCHEMBL4077078
6.35IC50450nMCHEMBL4077078
6.21IC50610nMCHEMBL3946252
6.12IC50760nMCHEMBL3936187
6.12IC50750nMCHEMBL3967087
6.08IC50842nMCHEMBL3944589
6.05IC50884nMCHEMBL3955977
5.96EC501100nMCELASTROL
5.92IC501200nMCHEMBL3609826
5.89EC501300nMCHEMBL550251
5.87IC501350nMCHEMBL3923966
5.86IC501380nMCHEMBL3947240
5.70IC502000nMCHEMBL3905315
5.68EC502100nMCHEMBL550249
5.63IC502330nMCHEMBL3891011
5.60EC502500nMCHEMBL558033
5.60EC502500nMCHEMBL564316
5.60EC502500nMCHEMBL559039
5.59IC502570nMCHEMBL4099031

PubChem BioAssay actives

62 with measured affinity, of 374 total; 47 most potent distinct compounds. Largely complementary to BindingDB; screening values are coarse (µM, 4 dp), so sub-nM hits tie at the floor.

CompoundAssayTypeValueUnit
N-[5-(2,3-dihydro-1,4-benzodioxine-6-carbonylamino)-2-methylphenyl]-2-methylquinoline-6-carboxamide1434074: Inhibition of 17-AAG-induced HSF1 pathway in human U20S cells assessed as reduction in HSP72 induction preincubated for 1 hr followed by 17-AAG addition measured after 18 hrs by ELISAic500.0028uM
2-[(2S)-1-[3-ethyl-7-[(1-oxidopyridin-1-ium-3-yl)methylamino]pyrazolo[1,5-a]pyrimidin-5-yl]piperidin-2-yl]ethanol1322658: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after 18 hrs by ELISAic500.0070uM
N-[5-(2,3-dihydro-1,4-benzodioxine-6-carbonylamino)-2-methylphenyl]quinoline-6-carboxamide1434112: Inhibition of 17-AAG-induced HSF1 pathway in human SKOV3 cells assessed as reduction in HSP72 induction preincubated for 1 hr followed by 17-AAG addition measured after 18 hrs by ELISAic500.0120uM
6-imidazo[4,5-b]pyridin-1-yl-N-[5-[[(2S)-1-methylpyrrolidin-2-yl]methoxy]-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.0140uM
6-imidazo[4,5-b]pyridin-1-yl-N-[5-(2-piperidin-1-ylethoxy)-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.0150uM
N-[5-(2,3-dihydro-1,4-benzodioxine-6-carbonylamino)-2-methylphenyl]-2-(2-pyrrolidin-1-ylethoxy)quinoline-6-carboxamide1434112: Inhibition of 17-AAG-induced HSF1 pathway in human SKOV3 cells assessed as reduction in HSP72 induction preincubated for 1 hr followed by 17-AAG addition measured after 18 hrs by ELISAic500.0186uM
2-(2-aminoethoxy)-N-[5-(2,3-dihydro-1,4-benzodioxine-6-carbonylamino)-2-methylphenyl]quinoline-6-carboxamide1434112: Inhibition of 17-AAG-induced HSF1 pathway in human SKOV3 cells assessed as reduction in HSP72 induction preincubated for 1 hr followed by 17-AAG addition measured after 18 hrs by ELISAic500.0260uM
N-[5-[2-(dimethylamino)ethoxy]-2-pyridinyl]-6-imidazo[4,5-b]pyridin-1-ylpyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.0280uM
N-[5-[2-(dimethylamino)ethoxy]-2-pyridinyl]-6-(6-methylbenzimidazol-1-yl)pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.0390uM
6-(benzimidazol-1-yl)-N-[5-[[(2R)-1-methylpyrrolidin-2-yl]methoxy]-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.0450uM
N-[5-(2,3-dihydro-1,4-benzodioxine-6-carbonylamino)-2-methylphenyl]isoquinoline-7-carboxamide1434112: Inhibition of 17-AAG-induced HSF1 pathway in human SKOV3 cells assessed as reduction in HSP72 induction preincubated for 1 hr followed by 17-AAG addition measured after 18 hrs by ELISAic500.0510uM
6-(benzimidazol-1-yl)-N-[5-[[(2S)-1-methylpyrrolidin-2-yl]methoxy]-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.0550uM
6-(benzimidazol-1-yl)-N-[5-(2-piperidin-1-ylethoxy)-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.0570uM
6-(benzimidazol-1-yl)-N-[5-[2-(dimethylamino)ethoxy]-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.0800uM
N-[5-(2,3-dihydro-1,4-benzodioxine-6-carbonylamino)-2-methylphenyl]-2-[2-(propanoylamino)ethoxy]quinoline-6-carboxamide1434112: Inhibition of 17-AAG-induced HSF1 pathway in human SKOV3 cells assessed as reduction in HSP72 induction preincubated for 1 hr followed by 17-AAG addition measured after 18 hrs by ELISAic500.1148uM
6-(benzimidazol-1-yl)-N-[5-[3-(dimethylamino)propoxy]-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.1650uM
6-(benzimidazol-1-yl)-N-[5-[3-(dimethylamino)propyl]-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.1980uM
N-[5-(2,3-dihydro-1,4-benzodioxine-6-carbonylamino)-2-methylphenyl]-1,2,3,4-tetrahydroquinoline-6-carboxamide1434112: Inhibition of 17-AAG-induced HSF1 pathway in human SKOV3 cells assessed as reduction in HSP72 induction preincubated for 1 hr followed by 17-AAG addition measured after 18 hrs by ELISAic500.2200uM
6-(benzimidazol-1-yl)-N-[5-(2-morpholin-4-ylethoxy)-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.2950uM
N-[5-(3,4-dihydro-2H-chromene-7-carbonylamino)-2-methylphenyl]-2-methylquinoline-6-carboxamide1434112: Inhibition of 17-AAG-induced HSF1 pathway in human SKOV3 cells assessed as reduction in HSP72 induction preincubated for 1 hr followed by 17-AAG addition measured after 18 hrs by ELISAic500.4467uM
6-(benzimidazol-1-yl)-N-[5-(4-methylpiperazin-1-yl)-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.4500uM
6-(benzimidazol-1-yl)-N-[5-[4-(dimethylamino)piperidin-1-yl]-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.6100uM
N-[5-[(5-tert-butyl-1,3-oxazol-2-yl)methylsulfanyl]-1,3-thiazol-2-yl]piperazine-1-carboxamide1322658: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after 18 hrs by ELISAic500.7500uM
N-[5-[2-(dimethylamino)ethoxy]-2-pyridinyl]-6-imidazo[4,5-b]pyridin-3-ylpyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.7600uM
6-(benzimidazol-1-yl)-N-pyridin-2-ylpyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.8420uM
6-(benzimidazol-1-yl)-N-[5-(1-methylpiperidin-4-yl)oxy-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic500.8840uM
(2R,4aS,6aR,6aS,14aS,14bR)-10-hydroxy-2,4a,6a,6a,9,14a-hexamethyl-11-oxo-1,3,4,5,6,13,14,14b-octahydropicene-2-carboxylic acid428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec501.1000uM
2-N-(1H-indazol-5-yl)-6-N-methyl-3-nitropyridine-2,6-diamine1242159: Inhibition of HSF1 (unknown origin) assessed as reduction in HSF1–mediated HSP transcriptionic501.2000uM
3-(1,3-benzothiazol-2-yl)-6-methyl-1-(2-methylpropyl)pyrimido[5,4-e][1,2,4]triazine-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec501.3000uM
6-(benzimidazol-1-yl)-N-[4-[2-(dimethylamino)ethoxy]phenyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic501.3500uM
6-(benzimidazol-1-yl)-N-[5-[(2S)-2,4-dimethylpiperazin-1-yl]-2-pyridinyl]pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic501.3800uM
2-[4-[[6-(benzimidazol-1-yl)pyrimidin-4-yl]amino]phenyl]ethanol1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic502.0000uM
1-butyl-6-methyl-3-(1,3-thiazol-2-yl)pyrimido[5,4-e][1,2,4]triazine-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec502.1000uM
N-[5-[2-(dimethylamino)ethoxy]-2-pyridinyl]-6-indol-1-ylpyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic502.3300uM
3-(1,3-benzothiazol-2-yl)-1-butyl-6-methylpyrimido[5,4-e][1,2,4]triazine-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec502.5000uM
1-butyl-6-methyl-3-quinolin-2-ylpyrimido[5,4-e][1,2,4]triazine-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec502.5000uM
3-(1,3-benzothiazol-2-yl)-6-methyl-1-(3-methylbutyl)pyrimido[5,4-e][1,2,4]triazine-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec502.5000uM
N-[5-(3,4-dihydro-2H-chromene-6-carbonylamino)-2-methylphenyl]-2-methylquinoline-6-carboxamide1434112: Inhibition of 17-AAG-induced HSF1 pathway in human SKOV3 cells assessed as reduction in HSP72 induction preincubated for 1 hr followed by 17-AAG addition measured after 18 hrs by ELISAic502.5704uM
3-(1,3-benzothiazol-2-yl)-1-benzyl-6-methylpyrimido[5,4-e][1,2,4]triazine-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec504.1000uM
N-[5-[2-(dimethylamino)ethoxy]-2-pyridinyl]-6-(2-methylbenzimidazol-1-yl)pyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic504.2800uM
4-[[3-[[3-[[(2S)-1-[[(2S)-6-amino-1-[[(2S)-4-amino-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-4-amino-1-[[(2S)-1-amino-4-methyl-1-oxopentan-2-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1,4-dioxobutan-2-yl]amino]-1-oxohexan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]amino]-3-oxopropyl]amino]-3-oxopropyl]carbamoyl]-2-(3-hydroxy-6-oxo-8a,9-dihydroxanthen-9-yl)benzoic acid1424680: Binding affinity to recombinant human HSF1 monomer expressed in Escherichia coli BL21 (DE3) after 15 mins by fluorescence polarization assayec504.5000uM
1-ethyl-6-methyl-3-thiophen-2-ylpyrimido[5,4-e][1,2,4]triazine-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec505.1000uM
N-[5-[2-(dimethylamino)ethoxy]-2-pyridinyl]-6-imidazol-1-ylpyrimidin-4-amine1322649: Inhibition of 17AAG-induced HSF1-mediated HSP72 expression in human U2OS cells preincubated for 1 hr followed by 17AAG addition measured after overnight incubation by ArrayScan analysisic506.1500uM
1-butyl-3-(1H-imidazol-2-yl)-6-methylpyrimido[5,4-e][1,2,4]triazine-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec507.7000uM
1-butyl-6-methyl-3-(5-methylthiophen-2-yl)-4-oxidopyrimido[5,4-e][1,2,4]triazin-4-ium-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec508.6000uM
1-butyl-6-methyl-3-(5-methylfuran-2-yl)pyrimido[5,4-e][1,2,4]triazine-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec509.9000uM
1-butyl-6-methyl-3-(5-methylfuran-2-yl)-4-oxidopyrimido[5,4-e][1,2,4]triazin-4-ium-5,7-dione428034: Amplification of HSF1 transcriptional activity in human heat shock-induced HeLa cells assessed as granule formation treated 1 hr before heat shock challenge measured after 2 hrs without recovery time by immunocytochemical stainingec5010.0000uM

CTD chemical–gene interactions

212 total (human), top 30 by PubMed support.

ChemicalActions (top 5)PubMed papers
sodium arseniteincreases reaction, increases expression, affects cotreatment, decreases reaction, affects reaction (+4 more)8
Cadmium Chloridedecreases activity, decreases reaction, affects binding, increases reaction, decreases expression (+2 more)5
Bortezomibaffects binding, increases reaction, increases activity, increases expression4
Resveratroldecreases phosphorylation, decreases reaction, decreases activity, decreases localization, decreases expression (+1 more)4
Arsenic Trioxidedecreases reaction, increases phosphorylation, increases activity, increases cleavage, increases expression (+4 more)4
Acetylcysteineaffects binding, increases reaction, decreases activity, decreases reaction, affects localization3
Acroleinaffects cotreatment, increases oxidation, increases activity, increases abundance3
Air Pollutantsincreases oxidation, increases expression, affects cotreatment, increases abundance3
Benzo(a)pyreneaffects activity, affects methylation, increases activity3
Hydrogen Peroxideincreases activity, increases expression3
Quercetindecreases reaction, increases expression, decreases expression, increases response to substance3
Silver Nitrateaffects binding, increases reaction, increases activity3
Zincincreases activity, affects binding, increases reaction3
geldanamycinincreases activity, increases phosphorylation, affects binding, decreases reaction, increases reaction2
bisphenol Aaffects expression, increases phosphorylation2
cadmium sulfateaffects binding, increases reaction, increases activity2
methacrylaldehydeaffects cotreatment, increases oxidation, increases abundance2
benzyloxycarbonylleucyl-leucyl-leucine aldehydeincreases expression, increases reaction, increases activity2
2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-onedecreases reaction, increases expression2
15-deoxy-delta(12,14)-prostaglandin J2increases expression, increases activity, decreases reaction2
tanespimycinaffects localization, increases expression, increases activity2
N2-(1H-indazole-5-yl)-N6-methyl-3-nitropyridine-2,6-diaminedecreases reaction, increases expression, affects binding, increases reaction2
Wortmanninaffects localization, decreases reaction, increases expression2
Arsenicaffects cotreatment, increases abundance, increases expression2
Vehicle Emissionsaffects localization, decreases reaction, increases activity2
Cadmiumaffects binding, increases reaction, increases activity2
Formaldehydeincreases activity, increases phosphorylation2
Indomethacinincreases activity2
Ozoneaffects cotreatment, increases oxidation, increases abundance2
Silveraffects binding, increases reaction, increases activity2

ChEMBL screening assays

105 unique, capped per target: 105 binding

Representative assays (with source publication via chembl_document):

Assay IDTypeDescriptionSource paper
CHEMBL3881365BindingActivation of HSF in human HeLa cell clone 13B after 8 hrs by luciferase reporter gene assayCyclopentanone and cyclopentanone derivatives as potent activators of HSF-1

Cellosaurus cell lines

12 cell lines: 5 cancer cell line, 4 embryonic stem cell, 2 induced pluripotent stem cell, 1 transformed cell line

First 10 cell lines (id-ordered, not curated):

CellosaurusNameCategorySex
CVCL_A3B7SEES3-1V human HSF1, clone1Embryonic stem cellMale
CVCL_A3B8SEES3-1V human HSF1, clone2Embryonic stem cellMale
CVCL_A3B9SEES3-1V human HSF1, clone3Embryonic stem cellMale
CVCL_A4GXSAM iPSC clone 1Induced pluripotent stem cellFemale
CVCL_A4GYSAM iPSC clone 2Induced pluripotent stem cellFemale
CVCL_C9DXHEK293T-CRISPRaTransformed cell lineFemale
CVCL_E7G6H9-iCas9.SAMEmbryonic stem cellFemale
CVCL_E8FJHCC827(gFGFR1)Cancer cell lineFemale
CVCL_E8FKPC-9(gFGFR1)Cancer cell lineMale
CVCL_SR71HAP1 HSF1 (-) 1Cancer cell lineMale

Clinical trials (associated diseases)

0 trials via MONDO — disease-level, not drug-specific.

No linked Atlas pages yet — the cross-entity mesh grows as the corpus expands.