##gff-version 3 P26223 UniProtKB Chain 1 635 . . . ID=PRO_0000184062;Note=Endo-1%2C4-beta-xylanase B P26223 UniProtKB Domain 1 337 . . . Note=GH10;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01096 P26223 UniProtKB Active site 150 150 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P26223 UniProtKB Active site 255 255 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10061