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The proteasome is a multicatalytic proteinase complex with a highly ordered ring-shaped 20S core structure. The core structure is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. This gene encodes a member of the peptidase T1A family, that is a 20S core alpha subunit. Three alternatively spliced transcript variants encoding different isoforms have been found for this gene.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: alpha-3; Macropain subunit C9; MGC111191; MGC12467; MGC24813; Multicatalytic endopeptidase complex subunit C9; multicatalytic proteinase subunit L; proteasome (prosome, macropain) subunit, alpha type, 4; proteasome alpha 4 subunit; Proteasome component C9; Proteasome subunit alpha type-4; Proteasome subunit alpha-3; proteasome subunit HC9; Proteasome subunit L; PSMA 4
基因别名: C9; HC9; HsT17706; PSC9; PSMA4
UniProt ID: (Human) P25789, (Mouse) Q9R1P0, (Rat) P21670
Entrez Gene ID: (Human) 5685, (Mouse) 26441, (Rat) 29671