##gff-version 3 Q9KI47 UniProtKB Chain 1 677 . . . ID=PRO_0000407692;Note=Beta-galactosidase BgaA Q9KI47 UniProtKB Active site 151 151 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q9KI47 UniProtKB Active site 309 309 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q9KI47 UniProtKB Binding site 112 112 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q9KI47 UniProtKB Binding site 116 116 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q9KI47 UniProtKB Binding site 150 150 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q9KI47 UniProtKB Binding site 156 156 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q9KI47 UniProtKB Binding site 158 158 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q9KI47 UniProtKB Binding site 161 161 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q9KI47 UniProtKB Binding site 317 317 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q9KI47 UniProtKB Binding site 357 360 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315