##gff-version 3 A3Q193 UniProtKB Propeptide 1 65 . . . ID=PRO_0000397540;Note=Removed in mature form%3B by autocatalysis;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113 A3Q193 UniProtKB Chain 66 304 . . . ID=PRO_0000397541;Note=Proteasome subunit beta A3Q193 UniProtKB Active site 66 66 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113