##gff-version 3 A1RTI7 UniProtKB Propeptide 1 1 . . . ID=PRO_0000397406;Note=Removed in mature form%3B by autocatalysis;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113 A1RTI7 UniProtKB Chain 2 200 . . . ID=PRO_0000397407;Note=Proteasome subunit beta 2 A1RTI7 UniProtKB Active site 2 2 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113