##gff-version 3 Q8ZYF2 UniProtKB Propeptide 1 1 . . . ID=PRO_0000397394;Note=Removed in mature form%3B by autocatalysis;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113 Q8ZYF2 UniProtKB Chain 2 202 . . . ID=PRO_0000397395;Note=Proteasome subunit beta 1 Q8ZYF2 UniProtKB Active site 2 2 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113