##gff-version 3 P33272 UniProtKB Chain 1 492 . . . ID=PRO_0000051687;Note=Cytochrome P450 2B12 P33272 UniProtKB Binding site 437 437 . . . Note=Axial binding residue;Ontology_term=ECO:0000250;evidence=ECO:0000250 P33272 UniProtKB Modified residue 129 129 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P00176