##gff-version 3 P51871 UniProtKB Chain 1 537 . . . ID=PRO_0000051854;Note=Cytochrome P450 4F6 P51871 UniProtKB Binding site 468 468 . . . Note=Axial binding residue;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P51869