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Results showed that the overexpression of beta2 subunit decreased homologous recombination in human cells without altering the cell proteasome activity and the Rad51p level.
This subunit propeptides influence cooperative proteasome assembly.
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. Multiple alternatively spliced transcript variants encoding distinct isoforms have been found for this gene.
proteasome beta 2 subunit
, proteasome subunit beta type 2
, proteasome subunit beta type-2
, macropain subunit C7-I
, multicatalytic endopeptidase complex subunit C7-I
, proteasome component C7-I
, multicatalytic endopeptidase complex subunit C7-1
, proteasome subunit, beta type, 2