##gff-version 3 P48980 UniProtKB Signal peptide 1 22 . . . . P48980 UniProtKB Chain 23 835 . . . ID=PRO_0000012195;Note=Beta-galactosidase P48980 UniProtKB Domain 749 835 . . . Note=SUEL-type lectin;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00260 P48980 UniProtKB Active site 180 180 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255 P48980 UniProtKB Active site 249 249 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255