##gff-version 3 D3QA48 UniProtKB Domain 12 319 . . . Note=Glycoside hydrolase 35 catalytic;Ontology_term=ECO:0000259;evidence=ECO:0000259|Pfam:PF01301 D3QA48 UniProtKB Domain 362 471 . . . Note=Beta-galactosidase 1-like first all-beta;Ontology_term=ECO:0000259;evidence=ECO:0000259|Pfam:PF21317 D3QA48 UniProtKB Domain 490 548 . . . Note=Beta-galactosidase galactose-binding;Ontology_term=ECO:0000259;evidence=ECO:0000259|Pfam:PF21467 D3QA48 UniProtKB Active site 153 153 . . . Note=Proton donor;Ontology_term=ECO:0000256;evidence=ECO:0000256|PIRSR:PIRSR006336-1 D3QA48 UniProtKB Active site 229 229 . . . Note=Nucleophile;Ontology_term=ECO:0000256;evidence=ECO:0000256|PIRSR:PIRSR006336-1