##gff-version 3 P23903 UniProtKB Signal peptide 1 38 . . . Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:2311931;Dbxref=PMID:2311931 P23903 UniProtKB Chain 39 682 . . . ID=PRO_0000011796;Note=Glucan endo-1%2C3-beta-glucosidase A1 P23903 UniProtKB Domain 391 682 . . . Note=GH16;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01098 P23903 UniProtKB Active site 552 552 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10064 P23903 UniProtKB Active site 557 557 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10064