##gff-version 3 Q9AI65 UniProtKB Initiator methionine 1 1 . . . Note=Removed;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:19625389;Dbxref=PMID:19625389 Q9AI65 UniProtKB Chain 2 453 . . . ID=PRO_0000389548;Note=Alpha-glucosidase Q9AI65 UniProtKB Active site 172 172 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9AI65 UniProtKB Binding site 3 69 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9AI65 UniProtKB Binding site 149 149 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9AI65 UniProtKB Binding site 171 171 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9AI65 UniProtKB Binding site 201 201 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9AI65 UniProtKB Mutagenesis 173 173 . . . Note=Loss of catalytic activity. E->S;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:19625389;Dbxref=PMID:19625389 Q9AI65 UniProtKB Mutagenesis 174 174 . . . Note=No effect on catalytic activity. I->V;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:19625389;Dbxref=PMID:19625389