##gff-version 3 Q1RD47 UniProtKB Chain 1 341 . . . ID=PRO_1000005652;Note=Beta-hexosaminidase Q1RD47 UniProtKB Active site 176 176 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q1RD47 UniProtKB Active site 248 248 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q1RD47 UniProtKB Binding site 62 62 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q1RD47 UniProtKB Binding site 70 70 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q1RD47 UniProtKB Binding site 133 133 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q1RD47 UniProtKB Binding site 163 164 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q1RD47 UniProtKB Site 174 174 . . . Note=Important for catalytic activity;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364