CYP4V2
Cytochrome P450 4V2
Also known as: CP4V2_HUMAN, CYP4AH1
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q6ZWL3
- Gene
- CYP4V2
- Ensembl
- ENSG00000145476
- Chromosome
- 4
- Canonical length
- 525 aa
- Protein class
- Disease related genes, Enzymes, Human disease related genes, Metabolic proteins, Potential drug targets, Predicted membrane proteins
- Subcellular location
- Nuclear speckles
OverviewNCBI Gene
This gene encodes a member of the cytochrome P450 hemethiolate protein superfamily which are involved in oxidizing various substrates in the metabolic pathway. It is implicated in the metabolism of fatty acid precursors into n-3 polyunsaturated fatty acids. Mutations in this gene result in Bietti crystalline corneoretinal dystrophy. [provided by RefSeq, Jul 2008]
Canonical amino-acid sequenceUniProt
525 residues, UniProt reviewed canonical sequence.
>Q6ZWL3|CYP4V2
1 MAGLWLGLVW QKLLLWGAAS ALSLAGASLV LSLLQRVASY ARKWQQMRPI PTVARAYPLV
61 GHALLMKPDG REFFQQIIEY TEEYRHMPLL KLWVGPVPMV ALYNAENVEV ILTSSKQIDK
121 SSMYKFLEPW LGLGLLTSTG NKWRSRRKML TPTFHFTILE DFLDIMNEQA NILVKKLEKH
181 INQEAFNCFF YITLCALDII CETAMGKNIG AQSNDDSEYV RAVYRMSEMI FRRIKMPWLW
241 LDLWYLMFKE GWEHKKSLQI LHTFTNSVIA ERANEMNANE DCRGDGRGSA PSKNKRRAFL
301 DLLLSVTDDE GNRLSHEDIR EEVDTFMFEG HDTTAAAINW SLYLLGSNPE VQKKVDHELD
361 DVFGKSDRPA TVEDLKKLRY LECVIKETLR LFPSVPLFAR SVSEDCEVAG YRVLKGTEAV
421 IIPYALHRDP RYFPNPEEFQ PERFFPENAQ GRHPYAYVPF SAGPRNCIGQ KFAVMEEKTI
481 LSCILRHFWI ESNQKREELG LEGQLILRPS NGIWIKLKRR NADERLocalizationUniProt · AlphaFold · HPA
Whether an antibody against CYP4V2 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)
- 0.25
- Highest tissue expression
- 106 nTPM
Expression across tissuesHPA
Tissue
- liver: 106 nTPM
- kidney: 32 nTPM
- parathyroid gland: 31 nTPM
- thyroid gland: 16 nTPM
- small intestine: 16 nTPM
- adrenal gland: 16 nTPM
Single-cell type
- müller glia: 73 nCPM
- astrocytes: 68 nCPM
- choroid plexus epithelial cells: 60 nCPM
- bergmann glia: 54 nCPM
- lactotrophs: 53 nCPM
- proximal tubule cells: 47 nCPM
Immune cell
- non-classical monocyte: 3.1 nTPM
- intermediate monocyte: 1.9 nTPM
- gdT-cell: 1.8 nTPM
- memory CD8 T-cell: 1.8 nTPM
- memory CD4 T-cell: 1.4 nTPM
- naive CD4 T-cell: 1.3 nTPM
Brain region
- choroid plexus: 44 nTPM
- basal ganglia: 20 nTPM
- white matter: 19 nTPM
- midbrain: 19 nTPM
- cerebellum: 18 nTPM
- spinal cord: 18 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about CYP4V2.
Disease | AllUniProt
Conditions CYP4V2 is implicated in, by any mechanism.
- Bietti crystalline corneoretinal dystrophy (BCD) MIM:210370
Disease | GeneticClinVar
88 pathogenic / likely-pathogenic of 618 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Bietti crystalline corneoretinal dystrophy
- Retinal dystrophy
- Retinitis pigmentosa
- Retinal disorder
- Familial pancreatic carcinoma
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)
- 1.03
- gnomAD pLI
- 0
- gnomAD missense Z
- -0.12
- DepMap mean gene effect
- 0.14
- DepMap dependency class
- none
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 3% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
Molecular functions
- heme binding
- iron ion binding
- long-chain fatty acid omega-hydroxylase activity
- oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads CYP4V2 as an antibody target. Whether an autoantibody or antibody against CYP4V2 could matter depends on whether native CYP4V2 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
CYP4V2 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 CYP4V2 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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