CYP3A43
gene geneOn this page
Summary
CYP3A43 (cytochrome P450 family 3 subfamily A member 43, HGNC:17450) is a protein-coding gene on chromosome 7q22.1, encoding Cytochrome P450 3A43 (Q9HB55). Exhibits low testosterone 6-beta-hydroxylase activity.
This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. The encoded protein has a low level of testosterone hydroxylase activity, and may play a role in aging mechanisms and cancer progression. This gene is part of a cluster of cytochrome P450 genes on chromosome 7q21.1. Alternate splicing results in multiple transcript variants encoding different isoforms.
Source: NCBI Gene 64816 — RefSeq curated summary.
At a glance
- GWAS associations: 4
- Clinical variants (ClinVar): 67 total
- Druggable target: yes — 9 molecules with ChEMBL bioactivity
- Dosage sensitivity (ClinGen): haploinsufficiency dosage sensitivity unlikely, triplosensitivity no evidence
- MANE Select transcript:
NM_057095
Identifiers
Gene identifiers
| Field | Value |
|---|---|
| HGNC ID | HGNC:17450 |
| Approved symbol | CYP3A43 |
| Name | cytochrome P450 family 3 subfamily A member 43 |
| Location | 7q22.1 |
| Locus type | gene with protein product |
| Status | Approved |
| Ensembl gene | ENSG00000021461 |
| Ensembl biotype | protein_coding |
| OMIM | 606534 |
| Entrez | 64816 |
Gene structure
Transcript identifiers
Ensembl transcripts: 22 — 13 protein_coding, 4 protein_coding_CDS_not_defined, 3 nonsense_mediated_decay, 2 retained_intron
ENST00000222382, ENST00000312017, ENST00000354829, ENST00000415413, ENST00000417625, ENST00000433277, ENST00000434806, ENST00000436834, ENST00000444905, ENST00000463915, ENST00000472352, ENST00000477658, ENST00000481362, ENST00000491648, ENST00000495115, ENST00000631161, ENST00000874622, ENST00000874623, ENST00000874624, ENST00000874625, ENST00000874626, ENST00000874627
RefSeq mRNA: 4 — MANE Select: NM_057095
NM_001278921, NM_022820, NM_057095, NM_057096
CCDS: CCDS5675, CCDS5676, CCDS5677, CCDS64723
Canonical transcript exons
ENST00000354829 — 13 exons
| Exon | Start | End |
|---|---|---|
| ENSE00001248116 | 99844143 | 99844242 |
| ENSE00001591937 | 99865906 | 99866093 |
| ENSE00003460592 | 99836453 | 99836546 |
| ENSE00003477686 | 99847488 | 99847601 |
| ENSE00003486793 | 99855591 | 99855718 |
| ENSE00003490721 | 99856833 | 99856899 |
| ENSE00003505268 | 99839120 | 99839172 |
| ENSE00003595637 | 99849546 | 99849694 |
| ENSE00003616829 | 99861613 | 99861839 |
| ENSE00003635363 | 99848166 | 99848254 |
| ENSE00003658070 | 99863537 | 99863699 |
| ENSE00003693137 | 99859830 | 99859990 |
| ENSE00003899578 | 99828013 | 99828186 |
Expression profiles
Bgee: expression breadth ubiquitous, 148 present calls, max score 83.84.
FANTOM5 (CAGE): breadth tissue_specific, TPM avg 0.1154 / max 71.1704, expressed in 11 samples.
FANTOM5 promoters (1 alternative TSS)
| Promoter ID | TPM avg | Samples expressed |
|---|---|---|
| 79902 | 0.1154 | 11 |
Top tissues by expression
279 total, by Bgee expression score (0-100, higher = more expressed):
| Tissue | Anatomy ID | Expression score | Quality |
|---|---|---|---|
| liver | UBERON:0002107 | 83.84 | gold quality |
| right lobe of liver | UBERON:0001114 | 82.20 | gold quality |
| male germ line stem cell (sensu Vertebrata) in testis | CL:0000089 ∩ UBERON:0000473 | 80.89 | gold quality |
| ileal mucosa | UBERON:0000331 | 77.47 | gold quality |
| body of pancreas | UBERON:0001150 | 77.11 | gold quality |
| jejunal mucosa | UBERON:0000399 | 75.41 | silver quality |
| sperm | CL:0000019 | 73.85 | silver quality |
| pancreatic ductal cell | CL:0002079 | 73.80 | silver quality |
| male germ cell | CL:0000015 | 73.41 | silver quality |
| epithelial cell of pancreas | CL:0000083 | 70.64 | gold quality |
| oocyte | CL:0000023 | 68.79 | gold quality |
| cervix squamous epithelium | UBERON:0006922 | 67.38 | gold quality |
| tongue squamous epithelium | UBERON:0006919 | 67.09 | gold quality |
| skeletal muscle tissue of biceps brachii | UBERON:0004502 | 66.74 | gold quality |
| olfactory bulb | UBERON:0002264 | 66.64 | gold quality |
| type B pancreatic cell | CL:0000169 | 66.45 | gold quality |
| upper leg skin | UBERON:0004262 | 65.64 | silver quality |
| jejunum | UBERON:0002115 | 65.37 | silver quality |
| buccal mucosa cell | CL:0002336 | 64.82 | silver quality |
| tibialis anterior | UBERON:0001385 | 64.55 | silver quality |
| quadriceps femoris | UBERON:0001377 | 64.10 | gold quality |
| vastus lateralis | UBERON:0001379 | 63.45 | gold quality |
| triceps brachii | UBERON:0001509 | 62.75 | gold quality |
| gluteal muscle | UBERON:0002000 | 62.73 | gold quality |
| upper arm skin | UBERON:0004263 | 62.68 | gold quality |
| pancreas | UBERON:0001264 | 61.94 | gold quality |
| diaphragm | UBERON:0001103 | 61.24 | gold quality |
| skin of hip | UBERON:0001554 | 61.22 | silver quality |
| skeletal muscle tissue | UBERON:0001134 | 59.90 | silver quality |
| mucosa of sigmoid colon | UBERON:0004993 | 59.78 | gold quality |
Single-cell (SCXA)
Detected in 1 experiment(s), a significant marker in 1.
| Experiment | Marker? | Max mean expression |
|---|---|---|
| E-ANND-3 | yes | 5.20 |
Regulation
Is transcription factor: no
miRNA regulators (miRDB)
9 targeting CYP3A43, 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-4682 | 100.00 | 68.89 | 1258 |
| HSA-MIR-4255 | 99.72 | 67.70 | 1541 |
| HSA-MIR-12117 | 99.50 | 67.57 | 868 |
| HSA-MIR-3160-5P | 99.28 | 69.07 | 1938 |
| HSA-MIR-6506-5P | 99.04 | 65.66 | 1386 |
| HSA-MIR-520G-3P | 98.91 | 67.38 | 1914 |
| HSA-MIR-520H | 98.91 | 67.38 | 1914 |
| HSA-MIR-619-5P | 98.57 | 64.97 | 1988 |
| HSA-MIR-4314 | 97.50 | 67.30 | 1369 |
Functional genomics
ClinGen dosage: haploinsufficiency 40 (dosage sensitivity unlikely), triplosensitivity 0 (no evidence). ClinGen Gene Dosage Map
Literature-anchored findings (GeneRIF, showing 9)
- Finds CYP3A43-Pro(340)Ala polymorphism prevalence differs by race and contributes to prostate cancer risk in African Americans. (PMID:15894682)
- analysis of the restriction fragment length polymorphism CYP3A43 gene c1047 > T in europeoid residents of West Siberia (PMID:16848237)
- No differences in genotype frequencies between cases and controls were observed, indicating that CYP3A43_74_delA is not associated with breast cancer risk. (PMID:20715157)
- CYP3A43 rs472660 is not likely to be a major contributor towards variability in systemic OLA exposure among White patients (PMID:24595013)
- This review support the notion that the SNP CYP3A43this may play a role in antipsychotic response. (PMID:25150845)
- Mutations in CYP3A43 gene is associated with prostate cancer. (PMID:26585945)
- We investigated the association between genetic polymorphisms in VDR, cytochrome P450 (CYP2R1, CYP24A1, and the CYP3A family) with plasma concentrations of vitamin D metabolites (25-hydroxyvitamin D3 (25(OH)D3) and proportion 24,25-dihydroxyvitamin D3 (24,25(OH)2D3)) among individuals of sub-Saharan African and European ancestry. Only CYP3A43 and VDR polymorphisms were associated with proportion 24,25(OH)2D. (PMID:28673024)
- Cis-acting regulatory elements regulating CYP3A4 transcription in human liver. (PMID:32301865)
- Effects of CYP3A43 Expression on Cell Proliferation and Migration of Lung Adenocarcinoma and Its Clinical Significance. (PMID:36613552)
Cross-species orthologs
20 orthologs
| Organism | Symbol | Gene ID |
|---|---|---|
| danio_rerio | cyp3c1 | ENSDARG00000015575 |
| danio_rerio | cyp3c3 | ENSDARG00000037873 |
| danio_rerio | cyp3c2 | ENSDARG00000037874 |
| danio_rerio | cyp3c4 | ENSDARG00000070021 |
| danio_rerio | cyp3a65 | ENSDARG00000103295 |
| mus_musculus | Cyp3a25 | ENSMUSG00000029630 |
| mus_musculus | Cyp3a13 | ENSMUSG00000029727 |
| mus_musculus | Cyp3a16 | ENSMUSG00000038656 |
| mus_musculus | Cyp3a44 | ENSMUSG00000054417 |
| mus_musculus | Cyp3a11 | ENSMUSG00000056035 |
| mus_musculus | Cyp3a59 | ENSMUSG00000061292 |
| mus_musculus | Cyp3a57 | ENSMUSG00000070419 |
| mus_musculus | Cyp3a41a | ENSMUSG00000075551 |
| mus_musculus | Cyp3a41b | ENSMUSG00000075552 |
| rattus_norvegicus | Cyp3a18 | ENSRNOG00000000969 |
| rattus_norvegicus | Cyp3a73 | ENSRNOG00000000978 |
| rattus_norvegicus | Cyp3a62 | ENSRNOG00000001379 |
| rattus_norvegicus | Cyp3a23-3a1 | ENSRNOG00000032560 |
| rattus_norvegicus | Cyp3a9 | ENSRNOG00000046643 |
| rattus_norvegicus | Cyp3a23-3a1 | ENSRNOG00000067532 |
Paralogs (3): CYP3A5 (ENSG00000106258), CYP3A4 (ENSG00000160868), CYP3A7 (ENSG00000160870)
Protein
Protein identifiers
Cytochrome P450 3A43 — Q9HB55 (reviewed: Q9HB55)
All UniProt accessions (6): C9JA26, E7EMH4, E9PDL8, E9PG90, Q9HB50, Q9HB55
UniProt curated annotations — full annotation on UniProt →
Function. Exhibits low testosterone 6-beta-hydroxylase activity.
Subcellular location. Endoplasmic reticulum membrane. Microsome membrane.
Tissue specificity. Highest expression level in prostate. Also expressed in liver, kidney, pancreas, fetal liver and fetal skeletal muscle.
Induction. By rifampicin.
Polymorphism. At protein level, three alleles are known: CYP3A431, CYP3A432 and CYP3A433. The sequence shown is that of CYP3A431, which is the most frequent allele. The allele CYP3A43*2 is likely to be non-functional.
Miscellaneous. Chimeric transcripts, characterized by CYP3A43 exon 1 joined at canonical splice sites to distinct sets of CYP3A4 or CYP3A5 exons, have been detected. All are possibly produced by trans-splicing. CYP3A43-CYP3A4 chimeric transcripts exist in 3 different combinations: CYP3A43 exon 1 joined in frame to CYP3A4 exons 2-13, CYP3A43 exon 1 joined in frame to CYP3A4 exons 4-13 and CYP3A43 exon 1 joined in frame to CYP3A4 exon 7-13. The longest chimeric isoform (CYP3A43 exon 1 joined to CYP3A4 exons 2-13) exhibits 6-beta-hydroxylase activity, while a shorter isoform (CYP3A43 exon 1 joined to CYP3A4 exons 4-13) does not. CYP3A43-CYP3A5 chimeric transcripts exist in 2 different combinations: CYP3A43 exon 1 joined in frame to CYP3A5 exon 11-13 and CYP3A43 exon 1 joined in frame to CYP3A5 exon 12-13. All chimeric transcripts are expressed at very low levels in the liver. May be produced at very low levels due to a premature stop codon in the mRNA, leading to nonsense-mediated mRNA decay.
Similarity. Belongs to the cytochrome P450 family.
Isoforms (5)
| UniProt ID | Names | Canonical? |
|---|---|---|
| Q9HB55-1 | 1 | yes |
| Q9HB55-2 | 2 | |
| Q9HB55-3 | 3 | |
| Q9HB55-4 | 4 | |
| Q9HB55-6 | 7 |
RefSeq proteins (4): NP_001265850, NP_073731, NP_476436, NP_476437 (=MANE)
Domains & families (InterPro)
| ID | Name | Type |
|---|---|---|
| IPR001128 | Cyt_P450 | Family |
| IPR002402 | Cyt_P450_E_grp-II | Family |
| IPR008072 | Cyt_P450_E_CYP3A | Family |
| IPR017972 | Cyt_P450_CS | Conserved_site |
| IPR036396 | Cyt_P450_sf | Homologous_superfamily |
| IPR050705 | Cytochrome_P450_3A | Family |
Pfam: PF00067
Catalyzed reactions (Rhea), 1 shown:
- an organic molecule + reduced [NADPH–hemoprotein reductase] + O2 = an alcohol + oxidized [NADPH–hemoprotein reductase] + H2O + H(+) (RHEA:17149)
UniProt features (14 total): sequence variant 6, splice variant 6, chain 1, binding site 1
Structure
Experimental structures (PDB)
0 structures.
Predicted structure (AlphaFold)
| Model | pLDDT | Fraction very-high |
|---|---|---|
| AF-Q9HB55-F1 | 91.89 | 0.78 |
Functional residue map
Curated UniProt residues grouped by drug-discovery relevance — catalytic, ligand-binding, modification, and mutation-validated positions. Source: UniProtKB sequence features.
Ligand- & substrate-binding residues (1): 442 (axial binding residue)
Function
Pathways and Gene Ontology
Reactome pathways
2 pathways
| ID | Pathway |
|---|---|
| R-HSA-211958 | Miscellaneous substrates |
| R-HSA-211981 | Xenobiotics |
MSigDB gene sets: 86 (showing top):
REACTOME_BIOLOGICAL_OXIDATIONS, GOMF_OXIDOREDUCTASE_ACTIVITY_ACTING_ON_PAIRED_DONORS_WITH_INCORPORATION_OR_REDUCTION_OF_MOLECULAR_OXYGEN, GOBP_OXIDATIVE_DEMETHYLATION, GOBP_DEMETHYLATION, GOBP_LIPID_METABOLIC_PROCESS, KEGG_STEROID_HORMONE_BIOSYNTHESIS, GOBP_STEROID_METABOLIC_PROCESS, KEGG_METABOLISM_OF_XENOBIOTICS_BY_CYTOCHROME_P450, CHIANG_LIVER_CANCER_SUBCLASS_PROLIFERATION_DN, GOCC_NUCLEAR_OUTER_MEMBRANE_ENDOPLASMIC_RETICULUM_MEMBRANE_NETWORK, KEGG_DRUG_METABOLISM_OTHER_ENZYMES, GOCC_ORGANELLE_SUBCOMPARTMENT, GOMF_TETRAPYRROLE_BINDING, GOMF_IRON_ION_BINDING, GOMF_STEROID_HYDROXYLASE_ACTIVITY
GO Biological Process (9): steroid metabolic process (GO:0008202), oxidative demethylation (GO:0070989), cytochrome metabolic process (GO:1903604), lipid hydroxylation (GO:0002933), estrogen metabolic process (GO:0008210), alkaloid catabolic process (GO:0009822), xenobiotic catabolic process (GO:0042178), retinoic acid metabolic process (GO:0042573), aflatoxin metabolic process (GO:0046222)
GO Molecular Function (11): monooxygenase activity (GO:0004497), iron ion binding (GO:0005506), heme binding (GO:0020037), testosterone 6-beta-hydroxylase activity (GO:0050649), estrogen 16-alpha-hydroxylase activity (GO:0101020), retinoic acid 4-hydroxylase activity (GO:0008401), oxidoreductase activity (GO:0016491), oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen (GO:0016705), oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen (GO:0016712), oxygen binding (GO:0019825), metal ion binding (GO:0046872)
GO Cellular Component (3): endoplasmic reticulum membrane (GO:0005789), endoplasmic reticulum (GO:0005783), membrane (GO:0016020)
Reactome top-level categories
Rollup of top-1 pathways:
| Category | Pathways |
|---|---|
| Cytochrome P450 - arranged by substrate type | 2 |
GO top-level categories
Rollup of top GO terms by namespace:
| Category | Terms |
|---|---|
| hormone metabolic process | 2 |
| catabolic process | 2 |
| oxidoreductase activity | 2 |
| steroid hydroxylase activity | 2 |
| monooxygenase activity | 2 |
| oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen | 2 |
| lipid metabolic process | 1 |
| demethylation | 1 |
| protein metabolic process | 1 |
| lipid modification | 1 |
| steroid metabolic process | 1 |
| alkaloid metabolic process | 1 |
| xenobiotic metabolic process | 1 |
| retinoid metabolic process | 1 |
| monocarboxylic acid metabolic process | 1 |
| mycotoxin metabolic process | 1 |
| transition metal ion binding | 1 |
| tetrapyrrole binding | 1 |
| oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen | 1 |
| catalytic activity | 1 |
| small molecule binding | 1 |
| cation binding | 1 |
| organelle membrane | 1 |
| nuclear outer membrane-endoplasmic reticulum membrane network | 1 |
| endoplasmic reticulum subcompartment | 1 |
| cytoplasm | 1 |
| endomembrane system | 1 |
| intracellular membrane-bounded organelle | 1 |
| cellular anatomical structure | 1 |
Protein interactions and networks
STRING
1460 interactions, top by confidence (×1000):
| Protein A | Protein B | Partner UniProt | Score |
|---|---|---|---|
| CYP3A43 | PPIG | Q13427 | 583 |
| CYP3A43 | CYP1A1 | P04798 | 506 |
| CYP3A43 | CYP2B6 | P20813 | 505 |
| CYP3A43 | OR52E8 | Q6IFG1 | 498 |
| CYP3A43 | CYP2E1 | P05181 | 482 |
| CYP3A43 | NR1I2 | O75469 | 471 |
| CYP3A43 | NR1I3 | Q14994 | 442 |
| CYP3A43 | CYB5B | O43169 | 424 |
| CYP3A43 | SLC30A9 | Q6PML9 | 408 |
| CYP3A43 | SRD5A2 | P31213 | 406 |
| CYP3A43 | HS3ST3B1 | Q9Y662 | 406 |
| CYP3A43 | ADAM2 | P78326 | 391 |
| CYP3A43 | DMBT1 | Q9UGM3 | 391 |
| CYP3A43 | NDC80 | O14777 | 386 |
| CYP3A43 | CYB5R2 | Q6BCY4 | 371 |
IntAct
3 interactions, top by confidence:
| A | B | Type | Score |
|---|---|---|---|
| CYP3A43 | OCIAD2 | psi-mi:“MI:0915”(physical association) | 0.400 |
| CYP3A43 | HP | psi-mi:“MI:0914”(association) | 0.350 |
BioGRID (21): CYP3A43 (Proximity Label-MS), BPIFB1 (Affinity Capture-MS), CTSG (Affinity Capture-MS), HSP90AA4P (Affinity Capture-MS), LCP1 (Affinity Capture-MS), MPO (Affinity Capture-MS), VIM (Affinity Capture-MS), FGG (Affinity Capture-MS), KPRP (Affinity Capture-MS), HP (Affinity Capture-MS), LCN2 (Affinity Capture-MS), MNDA (Affinity Capture-MS), PRTN3 (Affinity Capture-MS), HIST1H1B (Affinity Capture-MS), FGB (Affinity Capture-MS)
ESM2 similar proteins: O09158, O16805, O18993, O42563, O61387, O70537, P04800, P05183, P08684, P11707, P13527, P20815, P24462, P24463, P29981, P33268, P33269, P51538, P79102, P79401, Q04552, Q27593, Q27594, Q27664, Q27902, Q29496, Q64148, Q64406, Q64409, Q64417, Q64459, Q64464, Q64481, Q64581, Q8AXY5, Q92088, Q95031, Q95036, Q964R0, Q964R1
Diamond homologs: A0A0C2W6G6, A0A1L9WQK2, A0A1V0QSE7, A0A2H3CSA7, A0A2H3CZX2, A0A3G9HRC2, A0A3S5HYN5, A0A8K1AW54, A2A974, A2RRT9, A8NCK6, B0XZV0, B8QHP5, F1SY62, F1SY74, F1SYB6, F1SYH7, F2K081, F2ZAF9, I1RE80, I1S2J5, I3PLR1, L7X3S1, O08336, O17624, O18993, O43174, O44221, O48786, O49396, O55127, O70537, O88833, P05183, P08684, P0DKI7, P0DOX0, P11372, P11707, P13584
SIGNOR signaling
0 interactions.
Disease & clinical
Clinical variants and AI predictions
ClinVar
67 variants total. Per-class counts are floors (≥ shown; pagination cap):
| Classification | Count (floor) |
|---|---|
| Pathogenic | 0 |
| Likely pathogenic | 0 |
| Uncertain significance | 51 |
| Likely benign | 9 |
| Benign | 3 |
Top pathogenic / likely-pathogenic (0)
SpliceAI
1717 predictions. Top by Δscore:
| Variant | Effect | Δscore |
|---|---|---|
| 7:99848255:G:GG | donor_gain | 1.0000 |
| 7:99849695:G:GG | donor_gain | 1.0000 |
| 7:99856831:A:AG | acceptor_gain | 1.0000 |
| 7:99856832:G:GG | acceptor_gain | 1.0000 |
| 7:99859827:CAGC:C | acceptor_loss | 1.0000 |
| 7:99859828:A:AC | acceptor_loss | 1.0000 |
| 7:99859828:A:AG | acceptor_gain | 1.0000 |
| 7:99859829:G:GT | acceptor_gain | 1.0000 |
| 7:99859829:GC:G | acceptor_gain | 1.0000 |
| 7:99859829:GCT:G | acceptor_gain | 1.0000 |
| 7:99859829:GCTC:G | acceptor_gain | 1.0000 |
| 7:99859829:GCTCT:G | acceptor_gain | 1.0000 |
| 7:99859961:G:GT | donor_gain | 1.0000 |
| 7:99828187:G:GG | donor_gain | 0.9900 |
| 7:99839118:AG:A | acceptor_gain | 0.9900 |
| 7:99839119:GG:G | acceptor_gain | 0.9900 |
| 7:99839169:GGGG:G | donor_gain | 0.9900 |
| 7:99839170:GGGG:G | donor_gain | 0.9900 |
| 7:99839171:GG:G | donor_gain | 0.9900 |
| 7:99839172:GG:G | donor_gain | 0.9900 |
| 7:99848164:A:AG | acceptor_gain | 0.9900 |
| 7:99848164:AGAT:A | acceptor_gain | 0.9900 |
| 7:99848165:G:GG | acceptor_gain | 0.9900 |
| 7:99848165:GATG:G | acceptor_gain | 0.9900 |
| 7:99848251:AAGAG:A | donor_loss | 0.9900 |
| 7:99848253:GA:G | donor_gain | 0.9900 |
| 7:99848254:AGTAA:A | donor_loss | 0.9900 |
| 7:99848255:GT:G | donor_loss | 0.9900 |
| 7:99848256:TAA:T | donor_loss | 0.9900 |
| 7:99848257:AAGTA:A | donor_loss | 0.9900 |
AlphaMissense
3355 scored. Top likely-pathogenic:
| Variant | Protein change | am_pathogenicity |
|---|---|---|
| 7:99863538:T:C | F419L | 0.992 |
| 7:99863540:C:A | F419L | 0.992 |
| 7:99863540:C:G | F419L | 0.992 |
| 7:99861671:A:T | E362V | 0.991 |
| 7:99861826:T:C | F414L | 0.990 |
| 7:99861828:C:A | F414L | 0.990 |
| 7:99861828:C:G | F414L | 0.990 |
| 7:99859956:T:C | L331P | 0.989 |
| 7:99859928:G:C | A322P | 0.988 |
| 7:99863586:T:C | F435L | 0.987 |
| 7:99863588:T:A | F435L | 0.987 |
| 7:99863588:T:G | F435L | 0.987 |
| 7:99844228:T:C | F102L | 0.984 |
| 7:99844230:C:A | F102L | 0.984 |
| 7:99844230:C:G | F102L | 0.984 |
| 7:99859926:T:C | L321P | 0.981 |
| 7:99859929:C:A | A322D | 0.978 |
| 7:99861827:T:C | F414S | 0.978 |
| 7:99863642:A:C | K453N | 0.978 |
| 7:99863642:A:T | K453N | 0.978 |
| 7:99863647:C:A | A455D | 0.978 |
| 7:99847558:G:C | R130P | 0.977 |
| 7:99863662:T:C | L460P | 0.977 |
| 7:99861717:C:G | C377W | 0.976 |
| 7:99848212:T:C | L160P | 0.975 |
| 7:99861671:A:C | E362A | 0.975 |
| 7:99847545:T:A | W126R | 0.974 |
| 7:99847545:T:C | W126R | 0.974 |
| 7:99861672:A:C | E362D | 0.974 |
| 7:99861672:A:T | E362D | 0.974 |
dbSNP variants (sampled 300 via entrez): RS1000030886 (7:99831932 G>A), RS1000040878 (7:99830441 C>T), RS1000066249 (7:99861006 TG>T,TGGG), RS1000182365 (7:99843222 T>C,G), RS1000296903 (7:99856722 T>C), RS1000360365 (7:99836700 T>C), RS1000369004 (7:99844072 A>G), RS1000420018 (7:99830696 A>G,T), RS1000440550 (7:99850197 C>A,G,T), RS1000450318 (7:99836398 C>A,G,T), RS1000589947 (7:99854448 A>C,G,T), RS1000668940 (7:99856158 G>A), RS1000692380 (7:99835548 C>G), RS1000707514 (7:99862906 C>G,T), RS1000722385 (7:99842947 A>T)
Disease associations
OMIM: gene MIM:606534 | disease phenotypes:
GenCC curated gene-disease
Mondo (0):
Orphanet (0):
HPO phenotypes
0 total (0 of 0 shown, HPO-id order):
GWAS associations
4 associations (top):
| Study | Trait | p-value |
|---|---|---|
| GCST001038_4 | Dehydroepiandrosterone sulphate levels | 2.000000e-11 |
| GCST002882_1 | Ticagrelor levels in individuals with acute coronary syndromes treated with ticagrelor | 1.000000e-14 |
| GCST005144_1 | Tacrolimus trough concentration in kidney transplant patients | 2.000000e-17 |
| GCST006249_49 | Serum metabolite levels | 1.000000e-11 |
EFO canonical traits (3, from GWAS)
| EFO ID | Trait name |
|---|---|
| EFO:0004730 | hormone measurement |
| EFO:0007007 | ticagrelor measurement |
| EFO:0008458 | tacrolimus measurement |
Drugs & pharmacology
Drug and pharmacology data
Is drug target: yes
ChEMBL targets (3): CHEMBL2364675 (PROTEIN FAMILY), CHEMBL4523986 (PROTEIN FAMILY), CHEMBL5792 (SINGLE PROTEIN)
Molecules with ChEMBL bioactivity
9 molecules (phase ≥1), by development phase (incl. off-target/promiscuous compounds). Patent mentions across the top 20 by phase: 459,636 (via chembl_molecule»patent_compound — counts attach to the compound, not the gene–compound relationship, so off-target/promiscuous molecules can dominate).
| Molecule | Name | Phase | Patents |
|---|---|---|---|
| CHEMBL1136 | TELITHROMYCIN | 4 | 15,927 |
| CHEMBL157101 | KETOCONAZOLE | 4 | 75,361 |
| CHEMBL160 | CYCLOSPORINE | 4 | 168,247 |
| CHEMBL163 | RITONAVIR | 4 | 53,773 |
| CHEMBL269732 | TACROLIMUS ANHYDROUS | 4 | 95,168 |
| CHEMBL451887 | CARFILZOMIB | 4 | 12,508 |
| CHEMBL638 | VORICONAZOLE | 4 | 23,088 |
| CHEMBL477772 | PAZOPANIB | 4 | 15,540 |
| CHEMBL5314518 | GLECIRASIB | 2 | 24 |
PharmGKB: 1 entry (VIP=true, CPIC=false)
PharmGKB clinical annotations
2 annotations.
| Variant | Type | Level | Drugs | Phenotypes |
|---|---|---|---|---|
| rs472660 | Metabolism/PK | 3 | olanzapine | Schizophrenia |
| rs62471956 | Metabolism/PK | 3 | ticagrelor | Acute coronary syndrome |
PharmGKB variants
7 variants.
| Variant | Genes | Level | Score | #Clin annots | Drugs |
|---|---|---|---|---|---|
| rs472660 | CYP3A43 | 3 | 0.25 | 1 | olanzapine |
| rs651430 | CYP3A43 | 0.00 | 0 | ||
| rs680055 | CYP3A43 | 0.00 | 0 | ||
| rs12535293 | CYP3A43 | 0.00 | 0 | ||
| rs17161981 | CYP3A43 | 0.00 | 0 | ||
| rs17161983 | CYP3A43 | 0.00 | 0 | ||
| rs62471956 | CYP3A43 | 3 | 0.00 | 1 | ticagrelor |
GtoPdb / IUPHAR curated pharmacology
(IUPHAR/BPS Guide to Pharmacology — expert-curated)
Target class: enzyme — CYP3 family
ChEMBL bioactivities
49 potent at pChembl≥5 of 58 total, top 49 by pChembl (potency: 10 = 0.1 nM, 6 = 1 µM).
| pChembl | Type | Value | Unit | Molecule |
|---|---|---|---|---|
| 8.92 | Ki | 1.2 | nM | CHEMBL583090 |
| 8.62 | Ki | 2.4 | nM | TELITHROMYCIN |
| 8.28 | Ki | 5.3 | nM | CHEMBL583093 |
| 8.25 | Ki | 5.6 | nM | CHEMBL583091 |
| 7.89 | Ki | 13 | nM | RITONAVIR |
| 7.62 | Ki | 24 | nM | CHEMBL583299 |
| 7.60 | Ki | 25 | nM | CHEMBL583298 |
| 6.96 | IC50 | 110 | nM | KETOCONAZOLE |
| 6.85 | IC50 | 140 | nM | RITONAVIR |
| 6.80 | IC50 | 160 | nM | CHEMBL3527048 |
| 6.80 | IC50 | 160 | nM | KETOCONAZOLE |
| 6.60 | IC50 | 251.2 | nM | CHEMBL601428 |
| 6.48 | IC50 | 330 | nM | CHEMBL3527048 |
| 6.44 | Ki | 360 | nM | TACROLIMUS ANHYDROUS |
| 6.31 | IC50 | 490 | nM | CARFILZOMIB |
| 6.24 | IC50 | 570 | nM | CHEMBL5435851 |
| 6.21 | Ki | 610 | nM | TACROLIMUS ANHYDROUS |
| 6.18 | Ki | 660 | nM | VORICONAZOLE |
| 6.16 | IC50 | 700 | nM | CHEMBL3330409 |
| 6.13 | IC50 | 740 | nM | TACROLIMUS ANHYDROUS |
| 6.05 | IC50 | 900 | nM | CHEMBL3330410 |
| 6.03 | IC50 | 940 | nM | TACROLIMUS ANHYDROUS |
| 6.01 | Ki | 980 | nM | CYCLOSPORINE |
| 5.96 | IC50 | 1100 | nM | CHEMBL2130955 |
| 5.96 | IC50 | 1100 | nM | RITONAVIR |
| 5.91 | IC50 | 1240 | nM | CYCLOSPORINE |
| 5.85 | IC50 | 1400 | nM | CHEMBL3527048 |
| 5.84 | IC50 | 1450 | nM | GLECIRASIB |
| 5.83 | IC50 | 1470 | nM | CYCLOSPORINE |
| 5.75 | IC50 | 1800 | nM | CHEMBL3542335 |
| 5.72 | IC50 | 1900 | nM | CHEMBL495075 |
| 5.72 | IC50 | 1900 | nM | CHEMBL2130955 |
| 5.60 | IC50 | 2500 | nM | CHEMBL5612347 |
| 5.55 | IC50 | 2800 | nM | CHEMBL2130955 |
| 5.54 | IC50 | 2900 | nM | VORICONAZOLE |
| 5.53 | Ki | 2970 | nM | VORICONAZOLE |
| 5.43 | IC50 | 3700 | nM | CHEMBL5406721 |
| 5.43 | IC50 | 3700 | nM | CHEMBL46909 |
| 5.42 | IC50 | 3800 | nM | CHEMBL5418617 |
| 5.41 | IC50 | 3900 | nM | CHEMBL5429178 |
| 5.34 | IC50 | 4600 | nM | RITONAVIR |
| 5.31 | IC50 | 4900 | nM | CHEMBL2130955 |
| 5.23 | IC50 | 5900 | nM | CHEMBL5406218 |
| 5.22 | IC50 | 6053 | nM | CHEMBL65590 |
| 5.17 | IC50 | 6830 | nM | GLECIRASIB |
| 5.14 | IC50 | 7300 | nM | CHEMBL6190745 |
| 5.10 | IC50 | 7900 | nM | PAZOPANIB |
| 5.03 | IC50 | 9300 | nM | CHEMBL5771742 |
| 5.00 | IC50 | 1e+04 | nM | CHEMBL5395150 |
PubChem BioAssay actives
45 with measured affinity, of 617 total; 30 most potent distinct compounds. Largely complementary to BindingDB; screening values are coarse (µM, 4 dp), so sub-nM hits tie at the floor.
| Compound | Assay | Type | Value | Unit |
|---|---|---|---|---|
| (1S,2R,5R,7R,8R,9R,11R,13R,14R)-8-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-9-hydroxy-1,5,7,9,11,13-hexamethyl-15-[1-(1,5-naphthyridin-4-ylmethyl)azetidin-3-yl]-3,17-dioxa-15-azabicyclo[12.3.0]heptadecane-4,6,12,16-tetrone | 440648: Inhibition of CYP3A in human liver microsomes assessed as hydroxymidazolam formation by time dependent inhibition assay | ki | 0.0012 | uM |
| Telithromycin | 440648: Inhibition of CYP3A in human liver microsomes assessed as hydroxymidazolam formation by time dependent inhibition assay | ki | 0.0024 | uM |
| (1S,2R,5R,7R,8R,9R,11R,13R,14R)-8-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-9-hydroxy-1,5,7,9,11,13-hexamethyl-15-[1-[(1R)-1-(1,8-naphthyridin-4-yl)ethyl]azetidin-3-yl]-3,17-dioxa-15-azabicyclo[12.3.0]heptadecane-4,6,12,16-tetrone | 440648: Inhibition of CYP3A in human liver microsomes assessed as hydroxymidazolam formation by time dependent inhibition assay | ki | 0.0053 | uM |
| (1S,2R,5R,7R,8R,9R,11R,13R,14R)-8-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-9-hydroxy-1,5,7,9,11,13-hexamethyl-15-[1-(1,8-naphthyridin-4-ylmethyl)azetidin-3-yl]-3,17-dioxa-15-azabicyclo[12.3.0]heptadecane-4,6,12,16-tetrone | 440648: Inhibition of CYP3A in human liver microsomes assessed as hydroxymidazolam formation by time dependent inhibition assay | ki | 0.0056 | uM |
| Ritonavir | 2033231: Inhibition of CYP3A-mediated metabolism in human liver microsomes | ki | 0.0130 | uM |
| (1S,2R,5R,7R,8R,9R,11R,13R,14R)-8-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-9-hydroxy-15-[1-[(3-hydroxy-1,5-naphthyridin-4-yl)methyl]azetidin-3-yl]-1,5,7,9,11,13-hexamethyl-3,17-dioxa-15-azabicyclo[12.3.0]heptadecane-4,6,12,16-tetrone | 440648: Inhibition of CYP3A in human liver microsomes assessed as hydroxymidazolam formation by time dependent inhibition assay | ki | 0.0240 | uM |
| (1S,2R,5R,7R,8R,9R,11R,13R,14R)-8-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-9-hydroxy-15-[1-[(3-hydroxy-1,8-naphthyridin-4-yl)methyl]azetidin-3-yl]-1,5,7,9,11,13-hexamethyl-3,17-dioxa-15-azabicyclo[12.3.0]heptadecane-4,6,12,16-tetrone | 440648: Inhibition of CYP3A in human liver microsomes assessed as hydroxymidazolam formation by time dependent inhibition assay | ki | 0.0250 | uM |
| 8-imidazol-1-yl-5,6,7,8-tetrahydroquinoline | 2022035: Inhibition of CYP450 (unknown origin) | ic50 | 0.0335 | uM |
| 1-methyl-3-[1-methyl-5-(4-methylphenyl)pyrazol-4-yl]-4-[(3S)-3-piperidin-1-ylpyrrolidin-1-yl]pyrazolo[5,4-d]pyrimidine | 1217207: Reversible inhibition of human CYP3A felodipine oxidase activity | ic50 | 0.1600 | uM |
| N-(4-chlorophenyl)-5-ethyl-N-methyl-3-phenyl-1,2-oxazole-4-carboxamide | 2108148: Inhibition of CYP450 (unknown origin) | ic50 | 0.2512 | uM |
| Tacrolimus | 1209606: Competitive inhibition of CYP3A in human liver microsomes | ki | 0.3600 | uM |
| Carfilzomib | 1219229: Inhibition of CYP3A in human liver microsomes assessed as substrate metabolite formation using midazolam as substrate preincubated with microsomes for 30 mins prior to substrate addition measured after 5 mins by LC-MS/MS analysis | ic50 | 0.4900 | uM |
| (3S,3aS,6aR)-2-[(2S)-2-[[2-(1-adamantyl)acetyl]amino]-3,3-dimethylbutanoyl]-N-[(1S)-1-cyclohexyl-3-(cyclopropylamino)-2,3-dioxopropyl]-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-3-carboxamide | 2020327: Inhibition of CYP3A (unknown origin) | ic50 | 0.5700 | uM |
| Voriconazole | 541854: Competitive inhibition of CYP3A in human liver microsomes assessed as midazolam 4-hydroxylation after 5 mins by Dixon plot analysis | ki | 0.6600 | uM |
| 2-(dimethylamino)-2-(2-ethylphenyl)-N-[3-(3-sulfamoylphenyl)-1H-indazol-5-yl]acetamide | 2119433: Inhibition of CYP450 (unknown origin) | ic50 | 0.7000 | uM |
| 2-pyrrolidin-1-yl-N-[3-(3-sulfamoylphenyl)-1H-indazol-5-yl]-2-thiophen-3-ylacetamide | 2119433: Inhibition of CYP450 (unknown origin) | ic50 | 0.9000 | uM |
| cyclosporine | 1209614: Reversible competitive inhibition of CYP3A-mediated 1’-OH midazolam formation in human liver microsomes after 7.5 mins by nonlinear regression study | ki | 0.9800 | uM |
| 2-[4-(trifluoromethyl)phenyl]chromen-4-one | 1860369: Inhibition of CYP450 in human HCT-116 cells assessed as 20-HETE formation in presence of arachidonic acid incubated for 15 mins by multi-enzyme assay based LC-MS/MS analysis | ic50 | 1.1000 | uM |
| N-[1-[(1,2-dihydroxy-2,6-dimethyl-3-oxoheptan-4-yl)amino]-1-oxo-3-phenylpropan-2-yl]-4-methyl-2-[[2-[(2-morpholin-4-ylacetyl)amino]-4-phenylbutanoyl]amino]pentanamide | 1219244: Time-dependent inhibition of CYP3A in human liver microsomes preincubated for 30 mins with carfilzomib by LC-MS/MS analysis | ic50 | 1.8000 | uM |
| N-[(3S)-1-[(3-bromo-4-piperidin-4-yloxyphenyl)methyl]pyrrolidin-3-yl]-3,4-dichlorobenzamide | 339723: Inhibition of CYP3A4 | ic50 | 1.9000 | uM |
| 4-N-[(1S)-1,2,3,4-tetrahydronaphthalen-1-yl]-4-N-[[(7R)-5,6,7,8-tetrahydro-1,6-naphthyridin-7-yl]methyl]cyclohexane-1,4-diamine | 2124397: Inhibition of CYP450 (unknown origin) | ic50 | 2.5000 | uM |
| 1-[3-(2,4-dimethoxyphenyl)phenyl]-2,4-dimethoxybenzene | 1973305: Inhibition of CYP450 in pooled human liver microsomes in presence of NADPH measured every 3 mins for 120 mins by fluorescence based analysis | ic50 | 3.7000 | uM |
| 1-[(E)-2-(2,4-dimethoxyphenyl)ethenyl]-3,5-dimethoxybenzene | 1973305: Inhibition of CYP450 in pooled human liver microsomes in presence of NADPH measured every 3 mins for 120 mins by fluorescence based analysis | ic50 | 3.7000 | uM |
| 2,4-bis(3,5-dimethoxyphenyl)pyrimidine | 1973305: Inhibition of CYP450 in pooled human liver microsomes in presence of NADPH measured every 3 mins for 120 mins by fluorescence based analysis | ic50 | 3.8000 | uM |
| 2,5-bis(3,5-dimethoxyphenyl)thiophene | 1973305: Inhibition of CYP450 in pooled human liver microsomes in presence of NADPH measured every 3 mins for 120 mins by fluorescence based analysis | ic50 | 3.9000 | uM |
| 4-[2-(2,4-dimethoxyphenyl)-1,3-thiazol-4-yl]phenol | 1973305: Inhibition of CYP450 in pooled human liver microsomes in presence of NADPH measured every 3 mins for 120 mins by fluorescence based analysis | ic50 | 5.9000 | uM |
| 1-pyridin-4-yl-1a,2,3,7b-tetrahydro-1H-cyclopropa[a]naphthalen-4-ol | 2022025: Inhibition of CYP450 in human liver microsomes | ic50 | 6.0534 | uM |
| (5R)-3-[1-(1H-indol-2-ylmethyl)piperidin-4-yl]-5-(6-methoxyquinolin-4-yl)-1,3-oxazolidin-2-one | 306257: Inhibition of CYP450 | ic50 | 7.9433 | uM |
| 3-[1-[(3,4-dimethylphenyl)methyl]piperidin-4-yl]-5-(6-methoxyquinolin-4-yl)-1,3-oxazolidin-2-one | 306257: Inhibition of CYP450 | ic50 | 10.0000 | uM |
| 1-[3-(3,5-dimethoxyphenyl)phenyl]-3,5-dimethoxybenzene | 1973305: Inhibition of CYP450 in pooled human liver microsomes in presence of NADPH measured every 3 mins for 120 mins by fluorescence based analysis | ic50 | 10.0000 | uM |
CTD chemical–gene interactions
28 total (human), top 28 by PubMed support.
| Chemical | Actions (top 5) | PubMed papers |
|---|---|---|
| Aflatoxin B1 | affects expression, decreases methylation, increases expression | 3 |
| Arsenic Trioxide | affects binding, decreases reaction, increases expression | 2 |
| Benzo(a)pyrene | affects methylation, decreases expression, increases methylation | 2 |
| pirinixic acid | affects binding, increases activity, increases expression | 1 |
| senecionine | increases expression | 1 |
| 4-aminophenylarsenoxide | affects binding, decreases reaction | 1 |
| fipronil | affects cotreatment, increases expression | 1 |
| tebuconazole | increases expression | 1 |
| cylindrospermopsin | decreases expression | 1 |
| CGP 52608 | affects binding, increases reaction | 1 |
| obeticholic acid | decreases expression | 1 |
| Resveratrol | affects cotreatment, decreases expression | 1 |
| Troglitazone | increases expression | 1 |
| Bosentan | affects expression | 1 |
| Acetaminophen | increases expression | 1 |
| Biological Factors | decreases expression | 1 |
| Carbamazepine | increases expression | 1 |
| Copper | decreases expression, affects cotreatment | 1 |
| DEET | increases expression, affects cotreatment | 1 |
| Diethylhexyl Phthalate | decreases expression | 1 |
| Formaldehyde | decreases expression | 1 |
| N-Nitrosopyrrolidine | decreases expression | 1 |
| Testosterone | affects metabolic processing | 1 |
| Tetrachlorodibenzodioxin | affects expression | 1 |
| Urethane | decreases expression | 1 |
| Cyclosporine | decreases expression | 1 |
| beta Carotene | increases expression | 1 |
| Okadaic Acid | decreases expression | 1 |
ChEMBL screening assays
282 unique, capped per target: 279 admet, 3 binding
Representative assays (with source publication via chembl_document):
| Assay ID | Type | Description | Source paper |
|---|---|---|---|
| CHEMBL1042375 | ADMET | Inhibition of CYP3A in human liver microsomes assessed as hydroxymidazolam formation by time dependent inhibition assay | Discovery of azetidinyl ketolides for the treatment of susceptible and multidrug resistant community-acquired respiratory tract infections. — J Med Chem |
| CHEMBL4614611 | Binding | Drug metabolism in human liver microsomes assessed as Cytochrome P450-mediated formation of 12-OHNVP by measuring Kcat/Km ratio in presence of NADPH regenerating reagents by uHPLC-MS/MS analysis | Twelfth-Position Deuteration of Nevirapine Reduces 12-Hydroxy-Nevirapine Formation and Nevirapine-Induced Hepatocyte Death. — J Med Chem |
Clinical trials (associated diseases)
0 trials via MONDO — disease-level, not drug-specific.
Related Atlas pages
No linked Atlas pages yet — the cross-entity mesh grows as the corpus expands.