According to UniProt, the original geneName (CYP21A1) is only found in Bovin, Rat, Mouse and Pig. NCBI gene lists a Human ortholog, called: CYP21A2. This is linked to a UniProt entry, which details the reactions this protein catalyzes: " Catalyzes the hydroxylation at C-21 of progesterone and 17alpha-hydroxyprogesterone to respectively form 11-deoxycorticosterone and 11-deoxycortisol, intermediate metabolites in the biosynthetic pathway of mineralocorticoids and glucocorticoids (PubMed:25855791, PubMed:10602386, PubMed:16984992, PubMed:22014889, PubMed:27721825)." Source: [https://www.uniprot.org/uniprotkb/P08686/entry]. This information is also reflected in Rhea.