##gff-version 3 B8ZRF3 UniProtKB Propeptide 1 56 . . . ID=PRO_0000397534;Note=Removed in mature form%3B by autocatalysis;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113 B8ZRF3 UniProtKB Chain 57 291 . . . ID=PRO_0000397535;Note=Proteasome subunit beta B8ZRF3 UniProtKB Active site 57 57 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113