##gff-version 3 Q09841 UniProtKB Propeptide 1 35 . . . ID=PRO_0000026655;Note=Removed in mature form;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q09841 UniProtKB Chain 36 267 . . . ID=PRO_0000026656;Note=Probable proteasome subunit beta type-2 Q09841 UniProtKB Active site 36 36 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250