##gff-version 3 C7P6N4 UniProtKB Propeptide 1 6 . . . ID=PRO_0000397334;Note=Removed in mature form%3B by autocatalysis;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113 C7P6N4 UniProtKB Chain 7 224 . . . ID=PRO_0000397335;Note=Proteasome subunit beta C7P6N4 UniProtKB Active site 7 7 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113