##gff-version 3 Q02PG9 UniProtKB Chain 1 332 . . . ID=PRO_1000005659;Note=Beta-hexosaminidase Q02PG9 UniProtKB Active site 174 174 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q02PG9 UniProtKB Active site 244 244 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q02PG9 UniProtKB Binding site 62 62 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q02PG9 UniProtKB Binding site 70 70 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q02PG9 UniProtKB Binding site 131 131 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q02PG9 UniProtKB Binding site 161 162 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q02PG9 UniProtKB Site 172 172 . . . Note=Important for catalytic activity;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364