##gff-version 3 Q7VNI8 UniProtKB Chain 1 344 . . . ID=PRO_0000210788;Note=Beta-hexosaminidase Q7VNI8 UniProtKB Active site 175 175 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q7VNI8 UniProtKB Active site 247 247 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q7VNI8 UniProtKB Binding site 60 60 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q7VNI8 UniProtKB Binding site 68 68 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q7VNI8 UniProtKB Binding site 132 132 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q7VNI8 UniProtKB Binding site 162 163 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q7VNI8 UniProtKB Site 173 173 . . . Note=Important for catalytic activity;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364