##gff-version 3 Q47NZ4 UniProtKB Propeptide 1 54 . . . ID=PRO_0000397594;Note=Removed in mature form%3B by autocatalysis;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113 Q47NZ4 UniProtKB Chain 55 282 . . . ID=PRO_0000397595;Note=Proteasome subunit beta Q47NZ4 UniProtKB Active site 55 55 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113