##gff-version 3 Q8L4A7 UniProtKB Chain 1 235 . . . ID=PRO_0000124086;Note=Proteasome subunit alpha type-2-B Q8L4A7 UniProtKB Cross-link 64 64 . . . Note=Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin);Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O81149