##gff-version 3 Q03773 UniProtKB Signal peptide 1 32 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255 Q03773 UniProtKB Chain 33 347 . . . ID=PRO_0000011866;Note=Glucan endo-1%2C3-beta-glucosidase Q03773 UniProtKB Active site 127 127 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O22317 Q03773 UniProtKB Active site 270 270 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O22317