##gff-version 3 P22071 UniProtKB Chain 1 373 . . . ID=PRO_0000087787;Note=3 beta-hydroxysteroid dehydrogenase/Delta 5-->4-isomerase type 1 P22071 UniProtKB Transmembrane 288 308 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 P22071 UniProtKB Active site 159 159 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12068 P22071 UniProtKB Binding site 10 15 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12068 P22071 UniProtKB Binding site 155 155 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12068 P22071 UniProtKB Binding site 159 159 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q12068