##gff-version 3 Q7DLS1 UniProtKB Propeptide 1 37 . . . ID=PRO_0000042832;Note=Removed in mature form Q7DLS1 UniProtKB Chain 38 274 . . . ID=PRO_0000042833;Note=Proteasome subunit beta type-7-B Q7DLS1 UniProtKB Active site 40 40 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P25043 Q7DLS1 UniProtKB Sequence conflict 173 173 . . . Note=A->V;Ontology_term=ECO:0000305;evidence=ECO:0000305