##gff-version 3 D1BEH7 UniProtKB Domain 8 321 . . . Note=Glycoside hydrolase 35 catalytic;Ontology_term=ECO:0000259;evidence=ECO:0000259|Pfam:PF01301 D1BEH7 UniProtKB Domain 369 474 . . . Note=Beta-galactosidase 1-like first all-beta;Ontology_term=ECO:0000259;evidence=ECO:0000259|Pfam:PF21317 D1BEH7 UniProtKB Domain 501 559 . . . Note=Beta-galactosidase galactose-binding;Ontology_term=ECO:0000259;evidence=ECO:0000259|Pfam:PF21467 D1BEH7 UniProtKB Active site 155 155 . . . Note=Proton donor;Ontology_term=ECO:0000256;evidence=ECO:0000256|PIRSR:PIRSR006336-1 D1BEH7 UniProtKB Active site 231 231 . . . Note=Nucleophile;Ontology_term=ECO:0000256;evidence=ECO:0000256|PIRSR:PIRSR006336-1