##gff-version 3 P15122 UniProtKB Initiator methionine 1 1 . . . Note=Removed;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P16116 P15122 UniProtKB Chain 2 316 . . . ID=PRO_0000124626;Note=Aldo-keto reductase family 1 member B1 P15122 UniProtKB Active site 49 49 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P15121 P15122 UniProtKB Binding site 10 19 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255 P15122 UniProtKB Binding site 111 111 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P15122 UniProtKB Binding site 211 273 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P15121 P15122 UniProtKB Site 78 78 . . . Note=Lowers pKa of active site Tyr;Ontology_term=ECO:0000250;evidence=ECO:0000250 P15122 UniProtKB Modified residue 2 2 . . . Note=N-acetylalanine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P16116 P15122 UniProtKB Modified residue 95 95 . . . Note=N6-acetyllysine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P15121 P15122 UniProtKB Modified residue 222 222 . . . Note=N6-acetyllysine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P15121 P15122 UniProtKB Modified residue 263 263 . . . Note=N6-acetyllysine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P15121