##gff-version 3 A1TAP4 UniProtKB Propeptide 1 67 . . . ID=PRO_0000397554;Note=Removed in mature form%3B by autocatalysis;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113 A1TAP4 UniProtKB Chain 68 306 . . . ID=PRO_0000397555;Note=Proteasome subunit beta A1TAP4 UniProtKB Active site 68 68 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_02113