##gff-version 3 B6YXV3 UniProtKB Propeptide 1 7 . . . ID=PRO_0000397470;Note=Removed in mature form%3B by autocatalysis;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113 B6YXV3 UniProtKB Chain 8 200 . . . ID=PRO_0000397471;Note=Proteasome subunit beta 2 B6YXV3 UniProtKB Active site 8 8 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113