##gff-version 3 Q65VK7 UniProtKB Chain 1 347 . . . ID=PRO_0000234915;Note=Beta-hexosaminidase Q65VK7 UniProtKB Active site 177 177 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q65VK7 UniProtKB Active site 249 249 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q65VK7 UniProtKB Binding site 62 62 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q65VK7 UniProtKB Binding site 70 70 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q65VK7 UniProtKB Binding site 134 134 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q65VK7 UniProtKB Binding site 164 165 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 Q65VK7 UniProtKB Site 175 175 . . . Note=Important for catalytic activity;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364