##gff-version 3 P45703 UniProtKB Chain 1 330 . . . ID=PRO_0000007969;Note=Endo-1%2C4-beta-xylanase P45703 UniProtKB Domain 2 330 . . . Note=GH10;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01096 P45703 UniProtKB Active site 133 133 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P45703 UniProtKB Active site 240 240 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10061