TTC5
gene geneOn this page
Also known as Strap
Summary
TTC5 (tetratricopeptide repeat domain 5, HGNC:19274) is a protein-coding gene on chromosome 14q11.2, encoding Tetratricopeptide repeat protein 5 (Q8N0Z6). Cofactor involved in the regulation of various cellular mechanisms such as actin regulation, autophagy, chromatin regulation and DNA repair. It is a selective cancer dependency (DepMap: 81.4% of cell lines).
Enables ribosome binding activity. Involved in positive regulation of mRNA catabolic process. Located in cytosol and nucleoplasm.
Source: NCBI Gene 91875 — RefSeq curated summary.
At a glance
- Gene–disease (curated): neurodevelopmental disorder with cerebral atrophy and variable facial dysmorphism (Strong, GenCC) — +1 more curated relationship
- GWAS associations: 1
- Clinical variants (ClinVar): 55 total — 5 pathogenic, 2 likely-pathogenic
- Phenotypes (HPO): 40
- Cancer dependency (DepMap): dependent in 81.4% of screened cell lines
- MANE Select transcript:
NM_138376
Identifiers
Gene identifiers
| Field | Value |
|---|---|
| HGNC ID | HGNC:19274 |
| Approved symbol | TTC5 |
| Name | tetratricopeptide repeat domain 5 |
| Location | 14q11.2 |
| Locus type | gene with protein product |
| Status | Approved |
| Aliases | Strap |
| Ensembl gene | ENSG00000136319 |
| Ensembl biotype | protein_coding |
| OMIM | 619014 |
| Entrez | 91875 |
Gene structure
Transcript identifiers
Ensembl transcripts: 11 — 6 protein_coding, 2 retained_intron, 2 protein_coding_CDS_not_defined, 1 nonsense_mediated_decay
ENST00000258821, ENST00000383029, ENST00000553828, ENST00000554157, ENST00000554992, ENST00000556592, ENST00000557379, ENST00000907488, ENST00000929046, ENST00000929047, ENST00000965890
RefSeq mRNA: 1 — MANE Select: NM_138376
NM_138376
CCDS: CCDS9546
Canonical transcript exons
ENST00000258821 — 10 exons
| Exon | Start | End |
|---|---|---|
| ENSE00001019971 | 20286227 | 20289746 |
| ENSE00002284618 | 20305887 | 20305951 |
| ENSE00003492793 | 20301833 | 20301965 |
| ENSE00003545249 | 20299298 | 20299448 |
| ENSE00003626682 | 20298797 | 20298888 |
| ENSE00003628213 | 20291983 | 20292127 |
| ENSE00003632604 | 20295708 | 20295854 |
| ENSE00003647442 | 20300607 | 20300818 |
| ENSE00003676500 | 20296390 | 20296446 |
| ENSE00003688377 | 20295312 | 20295526 |
Expression profiles
Bgee: expression breadth ubiquitous, 227 present calls, max score 97.37.
FANTOM5 (CAGE): breadth ubiquitous, TPM avg 5.6332 / max 215.3042, expressed in 1661 samples.
FANTOM5 promoters (1 alternative TSS)
| Promoter ID | TPM avg | Samples expressed |
|---|---|---|
| 142009 | 5.6332 | 1661 |
Top tissues by expression
250 total, by Bgee expression score (0-100, higher = more expressed):
| Tissue | Anatomy ID | Expression score | Quality |
|---|---|---|---|
| secondary oocyte | CL:0000655 | 97.37 | gold quality |
| oocyte | CL:0000023 | 97.13 | gold quality |
| primordial germ cell in gonad | CL:0000670 ∩ UBERON:0000991 | 89.98 | gold quality |
| cortical plate | UBERON:0005343 | 87.81 | gold quality |
| calcaneal tendon | UBERON:0003701 | 87.44 | gold quality |
| buccal mucosa cell | CL:0002336 | 87.21 | silver quality |
| bronchial epithelial cell | CL:0002328 | 86.76 | gold quality |
| islet of Langerhans | UBERON:0000006 | 86.52 | gold quality |
| oviduct epithelium | UBERON:0004804 | 86.36 | gold quality |
| bronchus | UBERON:0002185 | 85.53 | gold quality |
| right uterine tube | UBERON:0001302 | 84.89 | gold quality |
| male germ line stem cell (sensu Vertebrata) in testis | CL:0000089 ∩ UBERON:0000473 | 84.08 | gold quality |
| sural nerve | UBERON:0015488 | 83.44 | gold quality |
| monocyte | CL:0000576 | 83.09 | gold quality |
| leukocyte | CL:0000738 | 82.95 | gold quality |
| embryo | UBERON:0000922 | 82.27 | gold quality |
| ganglionic eminence | UBERON:0004023 | 82.27 | gold quality |
| caput epididymis | UBERON:0004358 | 82.23 | gold quality |
| pancreatic ductal cell | CL:0002079 | 82.21 | gold quality |
| prefrontal cortex | UBERON:0000451 | 82.18 | gold quality |
| ventricular zone | UBERON:0003053 | 81.56 | gold quality |
| stromal cell of endometrium | CL:0002255 | 81.50 | gold quality |
| fallopian tube | UBERON:0003889 | 81.30 | gold quality |
| mucosa of paranasal sinus | UBERON:0005030 | 80.09 | silver quality |
| tendon | UBERON:0000043 | 80.03 | gold quality |
| granulocyte | CL:0000094 | 79.92 | gold quality |
| colonic epithelium | UBERON:0000397 | 79.88 | gold quality |
| right testis | UBERON:0004534 | 79.84 | gold quality |
| adrenal tissue | UBERON:0018303 | 79.55 | gold quality |
| hypothalamus | UBERON:0001898 | 79.24 | gold quality |
Single-cell (SCXA)
Detected in 2 experiment(s), a significant marker in 1.
| Experiment | Marker? | Max mean expression |
|---|---|---|
| E-ANND-3 | yes | 5.20 |
| E-GEOD-110499 | no | 198.12 |
Regulation
Is transcription factor: no
miRNA regulators (miRDB)
44 targeting TTC5, top 30 by miRDB confidence (max_score; target_count = how many genes the miRNA targets in total — lower means more specific):
| miRNA | Max score | Avg score | miRNA target_count |
|---|---|---|---|
| HSA-MIR-6758-5P | 100.00 | 66.21 | 1470 |
| HSA-MIR-6856-5P | 100.00 | 65.47 | 1298 |
| HSA-MIR-4476 | 100.00 | 68.18 | 2030 |
| HSA-MIR-6876-5P | 100.00 | 67.68 | 2126 |
| HSA-MIR-200B-3P | 100.00 | 73.31 | 2693 |
| HSA-MIR-200C-3P | 100.00 | 73.35 | 2685 |
| HSA-MIR-429 | 100.00 | 73.44 | 2698 |
| HSA-MIR-5011-5P | 100.00 | 83.46 | 5820 |
| HSA-MIR-6077 | 99.99 | 68.04 | 2299 |
| HSA-MIR-548C-3P | 99.99 | 74.01 | 7587 |
| HSA-MIR-520D-5P | 99.98 | 73.34 | 4883 |
| HSA-MIR-5696 | 99.98 | 72.36 | 4487 |
| HSA-MIR-524-5P | 99.98 | 73.43 | 4882 |
| HSA-MIR-95-5P | 99.89 | 72.17 | 3973 |
| HSA-MIR-4639-5P | 99.81 | 67.37 | 1028 |
| HSA-MIR-4306 | 99.72 | 70.50 | 3630 |
| HSA-MIR-5004-5P | 99.68 | 66.63 | 1294 |
| HSA-MIR-7-5P | 99.67 | 70.53 | 1809 |
| HSA-MIR-6512-3P | 99.65 | 66.07 | 1468 |
| HSA-MIR-6720-5P | 99.65 | 66.22 | 1459 |
| HSA-MIR-885-5P | 99.59 | 68.59 | 879 |
| HSA-MIR-1207-5P | 99.49 | 69.11 | 2983 |
| HSA-MIR-1224-5P | 99.48 | 65.59 | 803 |
| HSA-MIR-3612 | 99.45 | 66.02 | 1333 |
| HSA-MIR-650 | 99.45 | 65.77 | 1309 |
| HSA-MIR-4644 | 99.35 | 69.12 | 2514 |
| HSA-MIR-4279 | 99.19 | 66.70 | 2437 |
| HSA-MIR-4763-3P | 99.10 | 67.83 | 2649 |
| HSA-MIR-7151-3P | 99.04 | 69.72 | 2370 |
| HSA-MIR-4724-5P | 98.87 | 67.75 | 1324 |
Functional genomics
DepMap (CRISPR cell-line fitness): dependent in 81.4% of screened cell lines.
Literature-anchored findings (GeneRIF, showing 8)
- TTC5 is a novel cofactor regulating GR function in a stress-dependent manner. (PMID:21147850)
- TTC5 and EP300 cooperate to prevent excessive accumulation of MYC in AML cells and their sensitization to cell death. (PMID:23559008)
- Human TTC5, a novel tetratricopeptide repeat domain containing gene, activates p53 and inhibits AP-1 pathway. (PMID:24091941)
- TRIP13 interference inhibited the proliferation and metastasis of thyroid cancer cells through regulating TTC5/p53 pathway and epithelial-mesenchymal transition related genes expression. (PMID:31648166)
- this study identified tetratricopeptide protein 5 (TTC5) as a tubulin-specific ribosome-associating factor that triggers cotranslational degradation of tubulin mRNAs in response to excess soluble tubulin. (PMID:31727855)
- Bi-allelic TTC5 variants cause delayed developmental milestones and intellectual disability. (PMID:32439809)
- Evaluation of the Role of p53 Tumour Suppressor Posttranslational Modifications and TTC5 Cofactor in Lung Cancer. (PMID:34947995)
- TTC5 syndrome: Clinical and molecular spectrum of a severe and recognizable condition. (PMID:35670379)
Cross-species orthologs
4 orthologs
| Organism | Symbol | Gene ID |
|---|---|---|
| danio_rerio | ttc5 | ENSDARG00000013329 |
| mus_musculus | Ttc5 | ENSMUSG00000006288 |
| rattus_norvegicus | Ttc5 | ENSRNOG00000008850 |
| caenorhabditis_elegans | Y37E3.1 | WBGENE00021346 |
Protein
Protein identifiers
Tetratricopeptide repeat protein 5 — Q8N0Z6 (reviewed: Q8N0Z6)
Alternative names: Stress-responsive activator of p300
All UniProt accessions (3): Q8N0Z6, G3V3I6, H9KV81
UniProt curated annotations — full annotation on UniProt →
Function. Cofactor involved in the regulation of various cellular mechanisms such as actin regulation, autophagy, chromatin regulation and DNA repair. In non-stress conditions, interacts with cofactor JMY in the cytoplasm which prevents JMY’s actin nucleation activity and ability to activate the Arp2/3 complex. Acts as a negative regulator of nutrient stress-induced autophagy by preventing JMY’s interaction with MAP1LC3B, thereby preventing autophagosome formation. Involves in tubulin autoregulation by promoting its degradation in response to excess soluble tubulin. To do so, associates with the active ribosome near the ribosome exit tunnel and with nascent tubulin polypeptides early during their translation, triggering tubulin mRNA-targeted degradation. Following DNA damage, phosphorylated by DNA damage responsive protein kinases ATM and CHEK2, leading to its nuclear accumulation and stability. Nuclear TTC5/STRAP promotes the assembly of a stress-responsive p53/TP53 coactivator complex, which includes the coactivators JMY and p300, thereby increasing p53/TP53-dependent transcription and apoptosis. Also recruits arginine methyltransferase PRMT5 to p53/TP53 when DNA is damaged, allowing PRMT5 to methylate p53/TP53. In DNA stress conditions, also prevents p53/TP53 degradation by E3 ubiquitin ligase MDM2. Upon heat-shock stress, forms a chromatin-associated complex with heat-shock factor 1 HSF1 and p300/EP300 to stimulate heat-shock-responsive transcription, thereby increasing cell survival. Mitochondrial TTC5/STRAP interacts with ATP synthase subunit beta ATP5F1B which decreased ATP synthase activity and lowers mitochondrial ATP production, thereby regulating cellular respiration and mitochondrial-dependent apoptosis. Mitochondrial TTC5/STRAP also regulates p53/TP53-mediated apoptosis.
Subunit / interactions. Interacts with JMY and p300/EP300; the interaction occurs in the nucleus and augments the association between JMY and p300/EP300 in response to DNA damage. Forms a complex with HSF1 and p300/EP300; these interactions augment chromatin-bound HSF1 and p300/EP300 histone acetyltransferase activity, resulting in enhanced heat-shock-responsive transcription. Interacts with PRMT5; the interaction is DNA damage-dependent and promotes PRMT5 interaction with p53/TP53 and subsequent methylation. Interacts with JMY; the interaction occurs in the cytoplasm and results in the inhibition of JYM’s nucleation activity. Interacts with ribosome-coding tubulin (via 60S subunit 28S rRNA and protein uL24/RPL26) and the N-terminal of nascent tubulin polypeptide (via alpha-tubulin MREC motif and beta-tubulin MREI motif); these interactions result in tubulin mRNA-targeted degradation. Interacts with ATP5F1B; the interaction occurs in the mitochondria and results in ATP production decrease. Interacts with p53/TP53; the interaction occurs in the mitochondria and results in increased apoptosis.
Subcellular location. Nucleus. Cytoplasm. Cytoplasmic vesicle. Mitochondrion matrix.
Post-translational modifications. Phosphorylation by ATM kinase induces nuclear accumulation while interfering with nuclear export, and phosphorylation by CHEK2 kinase enhances nuclear stability.
Disease relevance. Neurodevelopmental disorder with cerebral atrophy and variable facial dysmorphism (NEDCAFD) [MIM:619244] An autosomal recessive disorder characterized by global developmental delay apparent from birth, moderate-to-severe intellectual disability, poor or absent speech, and hypotonia. Most patients have variable dysmorphic facial features. Brain imaging shows corpus callosum agenesis, mild ventriculomegaly, simplified gyral pattern, and cerebral atrophy. The disease is caused by variants affecting the gene represented in this entry.
Induction. Induced upon heat-shock stress (at protein level).
RefSeq proteins (1): NP_612385* (*=MANE)
Domains & families (InterPro)
| ID | Name | Type |
|---|---|---|
| IPR011990 | TPR-like_helical_dom_sf | Homologous_superfamily |
| IPR019734 | TPR_rpt | Repeat |
| IPR032076 | TTC5_OB | Domain |
| IPR038645 | TTC5_OB_sf | Homologous_superfamily |
Pfam: PF16669
UniProt features (40 total): mutagenesis site 7, strand 7, repeat 6, sequence variant 6, helix 6, site 3, modified residue 2, chain 1, region of interest 1, short sequence motif 1
Structure
Experimental structures (PDB)
4 structures.
| PDB | Method | Resolution (Å) |
|---|---|---|
| 2XVS | X-RAY DIFFRACTION | 1.8 |
| 8BPO | ELECTRON MICROSCOPY | 2.8 |
| 6T59 | ELECTRON MICROSCOPY | 3.11 |
| 7QWS | ELECTRON MICROSCOPY | 3.4 |
Predicted structure (AlphaFold)
| Model | pLDDT | Fraction very-high |
|---|---|---|
| AF-Q8N0Z6-F1 | 93.54 | 0.85 |
Functional residue map
Curated UniProt residues grouped by drug-discovery relevance — catalytic, ligand-binding, modification, and mutation-validated positions. Source: UniProtKB sequence features.
Catalytic / active sites (3): 225 (mediates interaction with n-terminal mrei motif of beta-tubulin nascent chain); 259 (mediates interaction with n-terminal mrei motif of beta-tubulin nascent chain); 147 (mediates interaction with n-terminal mrei motif of beta-tubulin nascent chain)
Post-translational modifications (2): 203, 221
Mutagenesis-validated functional residues (7):
| Position | Phenotype |
|---|---|
| 83 | no change in interaction with n-terminal mrei motif of beta-tubulin nascent chain. |
| 147 | loss of interaction with n-terminal mrei motif of beta-tubulin nascent chain. loss of interaction with 28s rrna of ribos |
| 225 | partial loss of interaction with n-terminal mrei motif of beta-tubulin nascent chain. loss of interaction with n-termina |
| 254 | no change in interaction with 28s rrna of ribosome-coding tubulin. |
| 259 | partial loss of interaction with n-terminal mrei motif of beta-tubulin nascent chain. loss of interaction with n-termina |
| 285 | loss of interaction with 28s rrna of ribosome-coding tubulin, when associated with e-287. no change in interaction with |
| 287 | loss of interaction with 28s rrna of ribosome-coding tubulin, when associated with e-285. no change in interaction with |
Function
Pathways and Gene Ontology
Reactome pathways
1 pathways
| ID | Pathway |
|---|---|
| R-HSA-6804760 | Regulation of TP53 Activity through Methylation |
MSigDB gene sets: 396 (showing top):
GSE45365_HEALTHY_VS_MCMV_INFECTION_CD8_TCELL_IFNAR_KO_DN, GOBP_DIGESTION, GOBP_REGULATION_OF_CELLULAR_RESPONSE_TO_GROWTH_FACTOR_STIMULUS, REACTOME_SIGNALING_BY_TGF_BETA_RECEPTOR_COMPLEX, GOBP_REGULATION_OF_MRNA_CATABOLIC_PROCESS, PAL_PRMT5_TARGETS_UP, MODULE_151, GOBP_ALTERNATIVE_MRNA_SPLICING_VIA_SPLICEOSOME, MORF_UBE2I, GRAESSMANN_APOPTOSIS_BY_SERUM_DEPRIVATION_UP, GRAESSMANN_APOPTOSIS_BY_DOXORUBICIN_UP, GRAESSMANN_APOPTOSIS_BY_DOXORUBICIN_DN, GOBP_MACROMOLECULE_CATABOLIC_PROCESS, DARWICHE_SKIN_TUMOR_PROMOTER_DN, DARWICHE_PAPILLOMA_RISK_LOW_DN
GO Biological Process (7): DNA repair (GO:0006281), DNA damage response (GO:0006974), cellular response to starvation (GO:0009267), positive regulation of transcription by RNA polymerase II (GO:0045944), positive regulation of mRNA catabolic process (GO:0061014), regulation of gene expression (GO:0010468), positive regulation of RNA metabolic process (GO:0051254)
GO Molecular Function (4): DNA binding (GO:0003677), chromatin binding (GO:0003682), ribosome binding (GO:0043022), protein binding (GO:0005515)
GO Cellular Component (7): nucleoplasm (GO:0005654), mitochondrion (GO:0005739), mitochondrial matrix (GO:0005759), cytosol (GO:0005829), cytoplasmic vesicle (GO:0031410), nucleus (GO:0005634), cytoplasm (GO:0005737)
Reactome top-level categories
Rollup of top-1 pathways:
| Category | Pathways |
|---|---|
| Regulation of TP53 Activity | 1 |
GO top-level categories
Rollup of top GO terms by namespace:
| Category | Terms |
|---|---|
| cellular anatomical structure | 3 |
| cytoplasm | 3 |
| cellular response to stress | 2 |
| binding | 2 |
| intracellular membrane-bounded organelle | 2 |
| DNA metabolic process | 1 |
| DNA damage response | 1 |
| cellular response to nutrient levels | 1 |
| response to starvation | 1 |
| regulation of transcription by RNA polymerase II | 1 |
| transcription by RNA polymerase II | 1 |
| positive regulation of DNA-templated transcription | 1 |
| mRNA catabolic process | 1 |
| positive regulation of catabolic process | 1 |
| regulation of mRNA catabolic process | 1 |
| positive regulation of mRNA metabolic process | 1 |
| gene expression | 1 |
| regulation of macromolecule biosynthetic process | 1 |
| positive regulation of macromolecule metabolic process | 1 |
| RNA metabolic process | 1 |
| regulation of RNA metabolic process | 1 |
| nucleic acid binding | 1 |
| ribonucleoprotein complex binding | 1 |
| nuclear lumen | 1 |
| mitochondrion | 1 |
| intracellular organelle lumen | 1 |
| intracellular vesicle | 1 |
| intracellular anatomical structure | 1 |
Protein interactions and networks
STRING
2820 interactions, top by confidence (×1000):
| Protein A | Protein B | Partner UniProt | Score |
|---|---|---|---|
| TTC5 | EP300 | Q09472 | 914 |
| TTC5 | HSP90AB1 | P08238 | 561 |
| TTC5 | HSP90AA1 | P07900 | 557 |
| TTC5 | JMY | Q8N9B5 | 544 |
| TTC5 | TTC4 | O95801 | 543 |
| TTC5 | TP53 | P04637 | 512 |
| TTC5 | TTC39C | Q8N584 | 483 |
| TTC5 | MRPS9 | P82933 | 461 |
| TTC5 | NEMF | O60524 | 460 |
| TTC5 | IFT56 | A0AVF1 | 424 |
| TTC5 | CIMAP1D | Q3SX64 | 410 |
| TTC5 | ODAD4 | Q96NG3 | 389 |
| TTC5 | MRPS5 | P82675 | 364 |
| TTC5 | TRIP13 | Q15645 | 362 |
| TTC5 | CCNB1IP1 | Q9NPC3 | 359 |
IntAct
71 interactions, top by confidence:
| A | B | Type | Score |
|---|---|---|---|
| CAMK2D | TTC5 | psi-mi:“MI:0915”(physical association) | 0.670 |
| TUBB | PLD2 | psi-mi:“MI:0914”(association) | 0.640 |
| TUBA1C | CCT6A | psi-mi:“MI:0914”(association) | 0.640 |
| TUBA1A | TUBA4A | psi-mi:“MI:0914”(association) | 0.610 |
| TTC5 | CAMK2B | psi-mi:“MI:0915”(physical association) | 0.560 |
| CAMK2G | TTC5 | psi-mi:“MI:0915”(physical association) | 0.560 |
| CAMK2D | TTC5 | psi-mi:“MI:0915”(physical association) | 0.560 |
| CAMK2B | TTC5 | psi-mi:“MI:0915”(physical association) | 0.560 |
| CAVIN1 | TTC5 | psi-mi:“MI:0915”(physical association) | 0.560 |
| TTC5 | GOLGA6A | psi-mi:“MI:0915”(physical association) | 0.560 |
| TTC5 | CAMK2A | psi-mi:“MI:0915”(physical association) | 0.560 |
| TTC5 | DDIT4L | psi-mi:“MI:0915”(physical association) | 0.560 |
| HDX | TTC5 | psi-mi:“MI:0915”(physical association) | 0.560 |
| TUBB2A | EML2 | psi-mi:“MI:0914”(association) | 0.530 |
| TUBB2B | EML2 | psi-mi:“MI:0914”(association) | 0.530 |
| STPG2 | TF | psi-mi:“MI:0914”(association) | 0.530 |
| TTC5 | TUBA4A | psi-mi:“MI:0914”(association) | 0.530 |
| TUBA1C | TUBA4A | psi-mi:“MI:0914”(association) | 0.530 |
| CDIPT | TTC5 | psi-mi:“MI:0914”(association) | 0.530 |
| BCKDHB | DBT | psi-mi:“MI:0914”(association) | 0.530 |
| PLPPR2 | METAP2 | psi-mi:“MI:0914”(association) | 0.530 |
BioGRID (90): NR3C1 (Affinity Capture-Western), TTC5 (Affinity Capture-Western), AR (Affinity Capture-Western), ESR1 (Affinity Capture-Western), TTC5 (Two-hybrid), TTC5 (Two-hybrid), MYC (Affinity Capture-Western), TTC5 (Affinity Capture-MS), TTC5 (Affinity Capture-MS), TTC5 (Affinity Capture-MS), TTC5 (Affinity Capture-MS), TTC5 (Affinity Capture-MS), TTC5 (Affinity Capture-MS), TTC5 (Affinity Capture-MS), TTC5 (Affinity Capture-MS)
ESM2 similar proteins: A0A1L8HX76, A0JP70, A4IG72, A7E3S5, A7Z052, D3ZW91, E9PY46, P57081, Q05B17, Q0P5H9, Q15061, Q32P44, Q3SZD4, Q3U821, Q499N3, Q4VBE8, Q5BK48, Q5F3K4, Q5RB07, Q5RBH8, Q5RD06, Q5XFW6, Q68EI0, Q6DFC6, Q6KAU8, Q6PFM9, Q6PGF3, Q6ZQL4, Q7ZVF0, Q7ZVR1, Q7ZY78, Q8BH57, Q8C5V5, Q8IWA0, Q8N0Z6, Q8NA23, Q8NAA4, Q8VC03, Q969R8, Q96KV7
Diamond homologs: Q0P5H9, Q5BK48, Q8N0Z6, Q99LG4
SIGNOR signaling
3 interactions.
| A | Effect | B | Mechanism |
|---|---|---|---|
| ATM | “up-regulates activity” | TTC5 | phosphorylation |
| TTC5 | “up-regulates activity” | EP300 | binding |
| TTC5 | “up-regulates activity” | JMY | binding |
Enriched among interaction partners
Reactome pathways and GO biological processes over-represented among this gene’s 50 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:
| Pathway | Partners | Fold | FDR |
|---|---|---|---|
| Microtubule-dependent trafficking of connexons from Golgi to the plasma membrane | 10 | 175.4× | 7e-20 |
| Transport of connexons to the plasma membrane | 10 | 175.4× | 7e-20 |
| Gap junction trafficking and regulation | 10 | 153.5× | 3e-19 |
| Gap junction trafficking | 10 | 153.5× | 3e-19 |
| Post-chaperonin tubulin folding pathway | 10 | 153.5× | 3e-19 |
| Formation of tubulin folding intermediates by CCT/TriC | 10 | 136.4× | 1e-18 |
| Cooperation of Prefoldin and TriC/CCT in actin and tubulin folding | 10 | 131.6× | 1e-18 |
| Prefoldin mediated transfer of substrate to CCT/TriC | 10 | 127.0× | 2e-18 |
GO biological processes:
| GO term | Partners | Fold | FDR |
|---|---|---|---|
| microtubule cytoskeleton organization | 13 | 35.0× | 9e-15 |
| mitotic cell cycle | 10 | 29.7× | 2e-10 |
Disease & clinical
Clinical variants and AI predictions
ClinVar
55 variants total. Per-class counts are floors (≥ shown; pagination cap):
| Classification | Count (floor) |
|---|---|
| Pathogenic | 5 |
| Likely pathogenic | 2 |
| Uncertain significance | 35 |
| Likely benign | 5 |
| Benign | 0 |
Top pathogenic / likely-pathogenic (7)
| Variant ID | HGVS | Classification |
|---|---|---|
| 1048619 | NM_138376.3(TTC5):c.599del (p.Pro200fs) | Pathogenic |
| 1048620 | NM_138376.3(TTC5):c.51+1G>A | Pathogenic |
| 1048621 | NM_138376.3(TTC5):c.629A>G (p.Tyr210Cys) | Pathogenic |
| 1048624 | NM_138376.3(TTC5):c.692C>T (p.Ala231Val) | Pathogenic |
| 3901552 | NM_138376.3(TTC5):c.496C>T (p.Arg166Ter) | Pathogenic |
| 3062315 | NM_138376.3(TTC5):c.79C>T (p.Arg27Ter) | Likely pathogenic |
| 3576483 | NM_138376.3(TTC5):c.631dup (p.Ala211fs) | Likely pathogenic |
SpliceAI
2824 predictions. Top by Δscore:
| Variant | Effect | Δscore |
|---|---|---|
| 12:15883535:TTCTA:T | acceptor_loss | 1.0000 |
| 12:15883536:TCTAG:T | acceptor_loss | 1.0000 |
| 12:15883537:CTAGA:C | acceptor_loss | 1.0000 |
| 12:15883538:TAG:T | acceptor_loss | 1.0000 |
| 12:15883673:CAGC:C | donor_gain | 1.0000 |
| 12:15883674:AGC:A | donor_gain | 1.0000 |
| 12:15883675:GC:G | donor_gain | 1.0000 |
| 12:15883675:GCG:G | donor_gain | 1.0000 |
| 12:15883677:G:GG | donor_gain | 1.0000 |
| 12:15889920:A:AG | acceptor_gain | 1.0000 |
| 12:15889923:TTTA:T | acceptor_loss | 1.0000 |
| 12:15889924:TTA:T | acceptor_loss | 1.0000 |
| 12:15889925:TA:T | acceptor_loss | 1.0000 |
| 12:15889926:A:AG | acceptor_gain | 1.0000 |
| 12:15889927:G:GT | acceptor_gain | 1.0000 |
| 12:15889927:GC:G | acceptor_gain | 1.0000 |
| 12:15889927:GCA:G | acceptor_gain | 1.0000 |
| 12:15889927:GCAA:G | acceptor_gain | 1.0000 |
| 12:15889927:GCAAA:G | acceptor_gain | 1.0000 |
| 12:15890008:AG:A | donor_loss | 1.0000 |
| 12:15890009:GG:G | donor_loss | 1.0000 |
| 12:15890011:T:G | donor_loss | 1.0000 |
| 12:15890040:T:G | donor_gain | 1.0000 |
| 12:15890591:TTTCA:T | acceptor_loss | 1.0000 |
| 12:15890592:TTCA:T | acceptor_loss | 1.0000 |
| 12:15890594:CAG:C | acceptor_loss | 1.0000 |
| 12:15890595:A:AG | acceptor_gain | 1.0000 |
| 12:15890595:A:T | acceptor_loss | 1.0000 |
| 12:15890596:G:GG | acceptor_gain | 1.0000 |
| 12:15890596:GGAT:G | acceptor_gain | 1.0000 |
AlphaMissense
2860 scored. Top likely-pathogenic:
| Variant | Protein change | am_pathogenicity |
|---|---|---|
| 14:20298880:C:A | G186W | 0.999 |
| 14:20298879:C:T | G186E | 0.998 |
| 14:20296395:C:G | A231P | 0.997 |
| 14:20298799:C:G | A213P | 0.997 |
| 14:20298880:C:G | G186R | 0.997 |
| 14:20298880:C:T | G186R | 0.997 |
| 14:20299330:A:T | V172D | 0.997 |
| 14:20299343:C:G | A168P | 0.997 |
| 14:20298879:C:A | G186V | 0.996 |
| 14:20300674:C:T | G110D | 0.996 |
| 14:20292119:C:T | G356D | 0.995 |
| 14:20298819:G:T | A206D | 0.995 |
| 14:20298820:C:G | A206P | 0.995 |
| 14:20299334:C:G | A171P | 0.995 |
| 14:20299353:A:C | S164R | 0.995 |
| 14:20299353:A:T | S164R | 0.995 |
| 14:20299355:T:G | S164R | 0.995 |
| 14:20300638:G:T | A122D | 0.995 |
| 14:20300687:A:G | W106R | 0.995 |
| 14:20300687:A:T | W106R | 0.995 |
| 14:20292035:A:T | V384E | 0.994 |
| 14:20295803:C:G | A250P | 0.994 |
| 14:20298808:A:C | Y210D | 0.994 |
| 14:20299333:G:T | A171D | 0.994 |
| 14:20295354:C:T | G339E | 0.993 |
| 14:20296394:G:T | A231E | 0.993 |
| 14:20300675:C:G | G110R | 0.993 |
| 14:20300720:C:G | A95P | 0.993 |
| 14:20298811:C:G | A209P | 0.992 |
| 14:20299301:A:G | W182R | 0.992 |
dbSNP variants (sampled 300 via entrez): RS1000027711 (14:20302313 T>C), RS1000083352 (14:20289129 T>TG), RS1000390776 (14:20306660 G>A,T), RS1000414367 (14:20288876 G>A), RS1000468637 (14:20289082 A>C,G), RS1000596023 (14:20293357 G>A), RS1000608 (14:20294847 A>C,G,T), RS1000615932 (14:20301527 A>C), RS1000629967 (14:20300280 T>C), RS1000724311 (14:20287582 T>C), RS1001154996 (14:20287349 A>C), RS1001513044 (14:20296791 T>C), RS1001623603 (14:20288621 G>T), RS1001731604 (14:20288024 G>A), RS1001963877 (14:20296589 C>T)
Disease associations
OMIM: gene MIM:619014 | disease phenotypes: MIM:619244
GenCC curated gene-disease
| Disease | Classification | Inheritance |
|---|---|---|
| neurodevelopmental disorder with cerebral atrophy and variable facial dysmorphism | Strong | Autosomal recessive |
| autosomal recessive non-syndromic intellectual disability | Supportive | Autosomal recessive |
Mondo (2): neurodevelopmental disorder with cerebral atrophy and variable facial dysmorphism (MONDO:0030999), autosomal recessive non-syndromic intellectual disability (MONDO:0019502)
Orphanet (0):
HPO phenotypes
40 total (30 of 40 shown, HPO-id order):
| HPO | Term |
|---|---|
| HP:0000007 | Autosomal recessive inheritance |
| HP:0000028 | Cryptorchidism |
| HP:0000218 | High palate |
| HP:0000219 | Thin upper lip vermilion |
| HP:0000248 | Brachycephaly |
| HP:0000252 | Microcephaly |
| HP:0000276 | Long face |
| HP:0000294 | Low anterior hairline |
| HP:0000307 | Pointed chin |
| HP:0000322 | Short philtrum |
| HP:0000337 | Broad forehead |
| HP:0000343 | Long philtrum |
| HP:0000369 | Low-set ears |
| HP:0000448 | Prominent nose |
| HP:0000718 | Aggressive behavior |
| HP:0000729 | Autistic behavior |
| HP:0000750 | Delayed speech and language development |
| HP:0000958 | Dry skin |
| HP:0001007 | Hirsutism |
| HP:0001249 | Intellectual disability |
| HP:0001250 | Seizure |
| HP:0001252 | Hypotonia |
| HP:0001274 | Agenesis of corpus callosum |
| HP:0001344 | Absent speech |
| HP:0002059 | Cerebral atrophy |
| HP:0002224 | Woolly hair |
| HP:0002352 | Leukoencephalopathy |
| HP:0002360 | Sleep disturbance |
| HP:0002553 | Highly arched eyebrow |
| HP:0002808 | Kyphosis |
GWAS associations
1 associations (top):
| Study | Trait | p-value |
|---|---|---|
| GCST006136_11 | Alzheimer’s disease progression score | 4.000000e-06 |
EFO canonical traits (1, from GWAS)
| EFO ID | Trait name |
|---|---|
| EFO:0006514 | Alzheimer’s disease biomarker measurement |
Drugs & pharmacology
Drug and pharmacology data
Is drug target: no
PharmGKB: 1 entry (VIP=true, CPIC=false)
CTD chemical–gene interactions
18 total (human), top 18 by PubMed support.
| Chemical | Actions (top 5) | PubMed papers |
|---|---|---|
| Valproic Acid | affects expression, increases expression | 2 |
| aristolochic acid I | decreases expression | 1 |
| methylmercuric chloride | decreases expression, increases expression | 1 |
| triphenyl phosphate | affects expression | 1 |
| CGP 52608 | affects binding, increases reaction | 1 |
| 2-palmitoylglycerol | increases expression | 1 |
| 4-(5-benzo(1,3)dioxol-5-yl-4-pyridin-2-yl-1H-imidazol-2-yl)benzamide | affects cotreatment, increases expression | 1 |
| dorsomorphin | affects cotreatment, increases expression | 1 |
| Resveratrol | affects cotreatment, increases expression | 1 |
| Sunitinib | increases expression | 1 |
| Vorinostat | increases expression | 1 |
| Benzo(a)pyrene | decreases methylation | 1 |
| Phenylmercuric Acetate | affects cotreatment, increases expression | 1 |
| Plant Extracts | affects cotreatment, increases expression | 1 |
| Rotenone | decreases expression | 1 |
| Tobacco Smoke Pollution | decreases expression | 1 |
| Aflatoxin B1 | decreases methylation | 1 |
| Copper Sulfate | decreases expression | 1 |
Clinical trials (associated diseases)
0 trials via MONDO — disease-level, not drug-specific.
Related Atlas pages
- Associated diseases: neurodevelopmental disorder with cerebral atrophy and variable facial dysmorphism, autosomal recessive non-syndromic intellectual disability
- Disease cohort memberships (association, not causation — diseases whose associated-gene cohort lists this gene; a subset are also under Associated diseases): autosomal recessive non-syndromic intellectual disability, neurodevelopmental disorder with cerebral atrophy and variable facial dysmorphism