##gff-version 3 A0LU50 UniProtKB Propeptide 1 58 . . . ID=PRO_0000397490;Note=Removed in mature form%3B by autocatalysis;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113 A0LU50 UniProtKB Chain 59 290 . . . ID=PRO_0000397491;Note=Proteasome subunit beta A0LU50 UniProtKB Active site 59 59 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113