Gene Gene information from NCBI Gene database.
Entrez ID 1589
Gene name Cytochrome P450 family 21 subfamily A member 2
Gene symbol CYP21A2
Synonyms (NCBI Gene)
CA21HCAH1CPS1CYP21CYP21BP450c21B
Chromosome 6
Chromosome location 6p21.33
Summary 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 protein local
SNPs SNP information provided by dbSNP.
33
SNP ID Visualize variation Clinical significance Consequence
rs6467 C>A,G,T Pathogenic, not-provided, benign Intron variant, 5 prime UTR variant
rs6471 G>A,C,T Pathogenic Coding sequence variant, missense variant
rs6475 T>A Pathogenic Coding sequence variant, missense variant
rs6476 T>A,C Pathogenic Coding sequence variant, missense variant
rs7755898 C>T Pathogenic Stop gained, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
6
miRTarBase ID miRNA Experiments Reference
MIRT016900 hsa-miR-335-5p Microarray 18185580
MIRT921008 hsa-miR-4723-5p CLIP-seq
MIRT921009 hsa-miR-4728-5p CLIP-seq
MIRT2386652 hsa-miR-4681 CLIP-seq
MIRT921008 hsa-miR-4723-5p CLIP-seq
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
34
GO ID Ontology Definition Evidence Reference
GO:0004497 Function Monooxygenase activity IEA
GO:0004509 Function Steroid 21-monooxygenase activity IBA
GO:0004509 Function Steroid 21-monooxygenase activity IEA
GO:0004509 Function Steroid 21-monooxygenase activity TAS
GO:0005496 Function Steroid binding IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
613815 2600 ENSG00000231852
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P08686
Protein name Steroid 21-hydroxylase (EC 1.14.14.16) (21-OHase) (Cytochrome P-450c21) (Cytochrome P450 21) (Cytochrome P450 XXI) (Cytochrome P450-C21) (Cytochrome P450-C21B)
Protein function A cytochrome P450 monooxygenase that plays a major role in adrenal steroidogenesis. Catalyzes the hydroxylation at C-21 of progesterone and 17alpha-hydroxyprogesterone to respectively form 11-deoxycorticosterone and 11-deoxycortisol, intermediat
PDB 4Y8W , 5VBU
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00067 p450 27 480 Cytochrome P450 Domain
Sequence
Sequence length 494
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Steroid hormone biosynthesis
Metabolic pathways
Aldosterone synthesis and secretion
Cortisol synthesis and secretion
Cushing syndrome
  Mineralocorticoid biosynthesis
Glucocorticoid biosynthesis
Endogenous sterols
Defective CYP21A2 causes Adrenal hyperplasia 3 (AH3)
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
260
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Adenoma, cortisol-producing Likely pathogenic; Pathogenic rs6471 RCV000012935
ADRENAL HYPERPLASIA, CONGENITAL, DUE TO 21-HYDROXYLASE DEFICIENCY Likely pathogenic; Pathogenic rs1776123817, rs2151873259, rs2151874375, rs2151876633, rs200005406, rs2151875295, rs1397184823, rs2151871966, rs778895502, rs201552310, rs772900496, rs267606756, rs779144910, rs2151872060, rs1296268275
View all (43 more)
RCV002283864
RCV001449916
RCV001449920
RCV001667853
RCV001667859
RCV001667861
RCV002034881
RCV002034882
RCV002034884
RCV004699630
RCV002211042
RCV002249853
RCV002250831
RCV002250931
RCV002283764
RCV000169566
RCV000012933
RCV000012934
RCV000012938
RCV000012940
RCV000012941
RCV000012943
RCV000012946
RCV000012950
RCV003318405
RCV000012953
RCV000012957
RCV000012958
RCV000012959
RCV000012960
RCV000012961
RCV003315170
RCV003315171
RCV003988664
RCV002250604
RCV004594931
RCV000517012
RCV000516282
RCV000517831
RCV005627393
RCV000826138
RCV000850239
RCV000850240
RCV000850241
RCV000055821
RCV000985129
RCV000984599
RCV000984600
RCV000984603
RCV000984610
RCV000984612
RCV000984611
RCV000984579
RCV000984580
RCV000984586
RCV002249597
RCV001293784
RCV004796403
RCV004800951
RCV004800950
RCV001293364
Carcinoma, adrenocortical, androgen-secreting Likely pathogenic; Pathogenic rs6471 RCV000012936
Congenital adrenal hyperplasia Likely pathogenic; Pathogenic rs760216630, rs6475, rs6471, rs751456004, rs1333278223, rs1554299737, rs1554304513, rs200005406, rs776989258, rs1246774295, rs1330554738 RCV003230922
RCV003226157
RCV001804725
RCV003388357
RCV004690495
RCV002298553
RCV005901163
RCV005431899
RCV005407926
RCV001269258
RCV005432645
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
- no classification for the single variant rs550051210, rs1057519068 -
21-HYDROXYLASE POLYMORPHISM Benign rs61338903 RCV000024070
Cholangiocarcinoma Benign rs79249676 RCV005912108
Gastric cancer Benign rs79249676 RCV005912105
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
ACTH Secreting Pituitary Adenoma Associate 37543511
Addison Disease Associate 34193132, 34665570, 37553728, 40724898, 8405426
Adrenal Gland Neoplasms Associate 18719294
Adrenal hyperplasia 2 Associate 36833192
Adrenal Hyperplasia Congenital Associate 10207042, 10404805, 10521100, 10536001, 11073721, 12966197, 14502362, 1496017, 15027021, 15136096, 15858147, 1644925, 17275379, 18048990, 19272182
View all (91 more)
Adrenal incidentaloma Associate 18323673
Adrenal Insufficiency Congenital Associate 40724898
Adrenal Rest Tumor Associate 37008950
Adrenocortical Adenoma Associate 18323673, 2101789
Adrenocortical Carcinoma Associate 24077358