##gff-version 3 P14288 UniProtKB Chain 1 491 . . . ID=PRO_0000063866;Note=Beta-galactosidase P14288 UniProtKB Active site 209 209 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255 P14288 UniProtKB Active site 389 389 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10055 P14288 UniProtKB Sequence conflict 135 135 . . . Note=Q->H;Ontology_term=ECO:0000305;evidence=ECO:0000305