##gff-version 3 P23557 UniProtKB Chain 1 312 . . . ID=PRO_0000184068;Note=Putative endo-1%2C4-beta-xylanase P23557 UniProtKB Domain 1 301 . . . Note=GH10;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01096 P23557 UniProtKB Active site 104 104 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P23557 UniProtKB Active site 216 216 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10061