NCIt synonyms : CA21H; CYP21B; P450c21B; CYP1ALPHA; CPS1; CAH1; CYP21; Cytochrome P450, Family 21, Subfamily A, Polypeptide 2 wt Allele;
NCIt definition : Human CYP21A2 wild-type allele is located in the vicinity of 6p21.3 and is approximately
3 kb in length. This allele, which encodes cytochrome P450 21 protein, plays a role
in the 21-hydroxylation of steroids. Gene conversion events involving the CYP21A2
gene and a nearby pseudogene putatively account for many cases of steroid 21-hydroxylase
deficiency. CYP21A2 gene dysfunction causes congenital adrenal hyperplasia.;