##gff-version 3 Q93GI5 UniProtKB Chain 1 691 . . . ID=PRO_0000407685;Note=Beta-galactosidase III Q93GI5 UniProtKB Active site 160 160 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q93GI5 UniProtKB Active site 318 318 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q93GI5 UniProtKB Binding site 121 121 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q93GI5 UniProtKB Binding site 159 159 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q93GI5 UniProtKB Binding site 326 326 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315 Q93GI5 UniProtKB Binding site 366 369 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O69315