##gff-version 3 O23708 UniProtKB Chain 1 235 . . . ID=PRO_0000124085;Note=Proteasome subunit alpha type-2-A O23708 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 O23708 UniProtKB Alternative sequence 1 148 . . . ID=VSP_016142;Note=In isoform 2. MGDSQYSFSLTTFSPSGKLVQIEHALTAVGSGQTSLGIKASNGVVIATEKKLPSILVDEASVQKIQHLTPNIGVVYSGMGPDFRVLVRKSRKQAEQYLRLYKEPIPVTQLVRETATVMQEFTQSGGVRPFGVSLLVAGYDDKGPQLYQ->MIIPVRCFTCGK;Ontology_term=ECO:0000303;evidence=ECO:0000303|PubMed:14593172;Dbxref=PMID:14593172