NCIt definition : Steroid 17-alpha-hydroxylase/17,20 lyase (508 aa, 57 kDa) is encoded by the human
CYP17A1 gene. This protein is involved in steroid metabolism and sexual maturation.;
NCIt note : Steroid 17-alpha-hydroxylase/17,20 lyase converts pregnenolone and progesterone to
their 17-alpha-hydroxylated products and subsequently to dehydroepiandrosterone (DHEA)
and androstenedione. (UniProt);