##gff-version 3 Q91Z85 UniProtKB Chain 1 509 . . . ID=PRO_0000051939;Note=Steroid 17-alpha-hydroxylase/17%2C20 lyase Q91Z85 UniProtKB Binding site 440 440 . . . Note=Axial binding residue;Ontology_term=ECO:0000250;evidence=ECO:0000250