##gff-version 3 B8F5N0 UniProtKB Chain 1 340 . . . ID=PRO_1000133665;Note=Beta-hexosaminidase B8F5N0 UniProtKB Active site 170 170 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 B8F5N0 UniProtKB Active site 242 242 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 B8F5N0 UniProtKB Binding site 60 60 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 B8F5N0 UniProtKB Binding site 68 68 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 B8F5N0 UniProtKB Binding site 127 127 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 B8F5N0 UniProtKB Binding site 157 158 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364 B8F5N0 UniProtKB Site 168 168 . . . Note=Important for catalytic activity;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00364