##gff-version 3 Q43793 UniProtKB Active site 345 345 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11411 Q43793 UniProtKB Binding site 116 123 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11413 Q43793 UniProtKB Binding site 150 150 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11413 Q43793 UniProtKB Binding site 253 253 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11413 Q43793 UniProtKB Binding site 253 253 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11413 Q43793 UniProtKB Binding site 283 287 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11413 Q43793 UniProtKB Binding site 321 321 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11413 Q43793 UniProtKB Binding site 340 340 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11413 Q43793 UniProtKB Binding site 441 441 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11413 Q43793 UniProtKB Binding site 446 446 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11413 Q43793 UniProtKB Binding site 482 482 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11413 Q43793 UniProtKB Disulfide bond 168 176 . . . Note=Redox modulation;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q43839