##gff-version 3 P70694 UniProtKB Chain 1 323 . . . ID=PRO_0000124652;Note=Estradiol 17 beta-dehydrogenase 5 P70694 UniProtKB Active site 55 55 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P70694 UniProtKB Binding site 20 24 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P70694 UniProtKB Binding site 50 50 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P70694 UniProtKB Binding site 117 117 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P70694 UniProtKB Binding site 166 167 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P70694 UniProtKB Binding site 190 190 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P70694 UniProtKB Binding site 216 221 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P70694 UniProtKB Binding site 270 280 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P70694 UniProtKB Site 84 84 . . . Note=Lowers pKa of active site Tyr;Ontology_term=ECO:0000250;evidence=ECO:0000250