CYP26A1 Gene Summary [Human]

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 endoplasmic reticulum protein acts on retinoids, including all-trans-retinoic acid (RA), with both 4-hydroxylation and 18-hydroxylation activities. This enzyme regulates the cellular level of retinoic acid which is involved in regulation of gene expression in both embryonic and adult tissues. Two alternatively spliced transcript variants of this gene, which encode the distinct isoforms, have been reported. [provided by RefSeq, Jul 2008]

Details

Type
Protein Coding
Official Symbol
CYP26A1
Official Name
cytochrome P450 family 26 subfamily A member 1 [Source:HGNC Symbol;Acc:HGNC:2603]
Ensembl ID
ENSG00000095596
Bio databases IDs NCBI: 1592 Ensembl: ENSG00000095596
Aliases cytochrome P450 family 26 subfamily A member 1
Synonyms CP26, CYP26, cytochrome P450 family 26 subfamily A member 1, cytochrome P450, family 26, subfamily a, polypeptide 1, P450RA, P450RAI, P450RAI1, RAH, RETINOIC ACID HYDROXYLASE
Species
Human, Homo sapiens
OrthologiesMouseRat

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains in human CYP26A1 often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • cytochrome P450 (CYP) superfamily
  • Cytochrome P450
  • oxygen binding
  • binding protein
  • retinoic acid 4-hydroxylase
  • monooxygenase
  • enzyme
  • retinoid binding
  • NADH2 or NADPH2 1 atom incorporation:oxygen oxidoreductase

Pathways

Biological processes and signaling networks where the CYP26A1 gene in human plays a role, providing insight into its function and relevance in health or disease.

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
disease
  • weight gain
  • organismal death
  • exencephaly
  • endometriosis
  • epithelial cancer
  • hyperplasia
  • liver cancer
  • keratocystic odontogenic tumor
  • keratocystic odontogenic tumors
  • dermatitis
regulated by
  • tretinoin
  • SP600125
  • 4-hydroxybenzylretinone
  • Rdh1 (includes others)
  • progesterone
  • APC
  • SOX3
  • ELL2
  • DLX5
  • DLX6
regulates
  • AKT1
  • tretinoin
  • alitretinoin
  • 4-hydroxy-all-trans-retinoic acid
  • 18-hydroxy-retinoic acid
  • retinol
  • all-trans-4-Oxo-retinoic acid
  • xenobiotic
  • 5,8-epoxy all-trans retinoic acid
  • retinyl palmitate
role in cell
  • growth
  • differentiation
  • development
  • cellular infiltration by
  • tumorigenicity
  • anoikis

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Cytoplasm
  • endoplasmic reticulum membrane

Gene Ontology Annotations

Describes the biological processes, cellular components, and molecular functions associated with the human CYP26A1 gene, providing context for its role in the cell.

Biological Process

Functions and activities the gene product is involved in
  • response to retinoic acid
  • kidney development
  • xenobiotic metabolic process
  • negative regulation of retinoic acid receptor signaling pathway
  • retinoic acid metabolic process
  • retinoic acid catabolic process
  • response to vitamin A
  • sterol metabolic process
  • vitamin metabolic process

Cellular Component

Where in the cell the gene product is active
  • endoplasmic reticulum membrane

Molecular Function

What the gene product does at the molecular level
  • oxygen binding
  • retinoic acid binding
  • iron ion binding
  • retinoic acid 4-hydroxylase activity
  • oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NADH or NADPH as one donor, and incorporation of one atom of oxygen
  • monooxygenase activity
  • heme binding

Gene-Specific Assays for Results You Can Trust

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