CYP26C1
Cytochrome P450 26C1
Also known as: CP26C_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q6V0L0
- Gene
- CYP26C1
- Ensembl
- ENSG00000187553
- Chromosome
- 10
- Canonical length
- 522 aa
- Protein class
- Disease related genes, Human disease related genes, Predicted membrane proteins
OverviewNCBI Gene
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. This enzyme is involved in the catabolism of all-trans- and 9-cis-retinoic acid, and thus contributes to the regulation of retinoic acid levels in cells and tissues. This gene is adjacent to a related gene on chromosome 10q23.33. [provided by RefSeq, Jul 2008]
Canonical amino-acid sequenceUniProt
522 residues, UniProt reviewed canonical sequence.
>Q6V0L0|CYP26C1
1 MFPWGLSCLS VLGAAGTALL CAGLLLSLAQ HLWTLRWMLS RDRASTLPLP KGSMGWPFFG
61 ETLHWLVQGS RFHSSRRERY GTVFKTHLLG RPVIRVSGAE NVRTILLGEH RLVRSQWPQS
121 AHILLGSHTL LGAVGEPHRR RRKVLARVFS RAALERYVPR LQGALRHEVR SWCAAGGPVS
181 VYDASKALTF RMAARILLGL RLDEAQCATL ARTFEQLVEN LFSLPLDVPF SGLRKGIRAR
241 DQLHRHLEGA ISEKLHEDKA AEPGDALDLI IHSARELGHE PSMQELKESA VELLFAAFFT
301 TASASTSLVL LLLQHPAAIA KIREELVAQG LGRACGCAPG AAGGSEGPPP DCGCEPDLSL
361 AALGRLRYVD CVVKEVLRLL PPVSGGYRTA LRTFELDGYQ IPKGWSVMYS IRDTHETAAV
421 YRSPPEGFDP ERFGAAREDS RGASSRFHYI PFGGGARSCL GQELAQAVLQ LLAVELVRTA
481 RWELATPAFP AMQTVPIVHP VDGLRLFFHP LTPSVAGNGL CLLocalizationUniProt · AlphaFold · HPA
Whether an antibody against CYP26C1 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Other membrane
- Secreted
- No
- Transmembrane segments
- 1
- Mean surface accessibility (rSASA)
- 0.27
- Highest tissue expression
- 0.1 nTPM
Expression across tissuesHPA
Tissue
- adrenal gland: 0.1 nTPM
- spleen: 0.1 nTPM
- testis: 0.1 nTPM
- adipose tissue: 0 nTPM
- amygdala: 0 nTPM
- appendix: 0 nTPM
Single-cell type
- microglia: 13 nCPM
- innate lymphoid cells: 4.7 nCPM
- epididymal clear cells: 4.1 nCPM
- epicardial cells: 2.3 nCPM
- conjunctival goblet cells: 1 nCPM
- early spermatids: 0.9 nCPM
Immune cell
- basophil: 0 nTPM
- classical monocyte: 0 nTPM
- eosinophil: 0 nTPM
- gdT-cell: 0 nTPM
- intermediate monocyte: 0 nTPM
- MAIT T-cell: 0 nTPM
Brain region
- medulla oblongata: 0.7 nTPM
- pons: 0.5 nTPM
- cerebral cortex: 0.4 nTPM
- spinal cord: 0.4 nTPM
- basal ganglia: 0.3 nTPM
- hippocampal formation: 0.3 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about CYP26C1.
Disease | AllUniProt
Conditions CYP26C1 is implicated in, by any mechanism.
- Focal facial dermal dysplasia 4 (FFDD4) MIM:614974
Disease | GeneticClinVar
5 pathogenic / likely-pathogenic of 123 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Focal facial dermal dysplasia type IV
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.86
- gnomAD pLI
- 0
- gnomAD missense Z
- 0.06
- DepMap mean gene effect
- -0.08
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- anterior/posterior pattern specification
- central nervous system development
- negative regulation of retinoic acid receptor signaling pathway
- neural crest cell development
- organelle fusion
- retinoic acid catabolic process
- vitamin metabolic process
Molecular functions
- heme binding
- iron ion binding
- monooxygenase activity
- 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
- retinoic acid 4-hydroxylase activity
- retinoic acid binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads CYP26C1 as an antibody target. Whether an autoantibody or antibody against CYP26C1 could matter depends on whether native CYP26C1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
CYP26C1 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label CYP26C1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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