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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 proteasome B-type family, also known as the T1B family, that is a 20S core beta subunit in the proteasome. Expression of this catalytic subunit is downregulated by gamma interferon and proteolytic processing is required to generate a mature subunit. This subunit is not present in the immunoproteasome and is replaced by catalytic subunit 2i (proteasome beta 10 subunit).
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: beta-2; Macropain chain Z; Multicatalytic endopeptidase complex chain Z; proteasome (prosome, macropain) subunit, beta type, 7; proteasome catalytic subunit 2; proteasome subunit alpha; Proteasome subunit beta type-7; Proteasome subunit beta-2; Proteasome subunit Z; protein serine kinase c17; RP11-101K10.7
基因别名: AU020723; MC14; Mmc14; PSMB7; Z
UniProt ID: (Human) Q99436, (Mouse) P70195
Entrez Gene ID: (Human) 5695, (Mouse) 19177