##gff-version 3 Q4KM35 UniProtKB Propeptide 1 39 . . . ID=PRO_0000391410;Note=Removed in mature form;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q4KM35 UniProtKB Chain 40 273 . . . ID=PRO_0000391411;Note=Proteasome subunit beta type-10 Q4KM35 UniProtKB Active site 40 40 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q4KM35 UniProtKB Site 39 40 . . . Note=Cleavage%3B by autolysis;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O35955 Q4KM35 UniProtKB Modified residue 1 1 . . . Note=N-acetylmethionine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P40306 Q4KM35 UniProtKB Modified residue 230 230 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P40306