##gff-version 3 A3CUS9 UniProtKB Propeptide 1 11 . . . ID=PRO_0000397358;Note=Removed in mature form%3B by autocatalysis;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113 A3CUS9 UniProtKB Chain 12 214 . . . ID=PRO_0000397359;Note=Proteasome subunit beta A3CUS9 UniProtKB Active site 12 12 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113