PSMB6 - Proteasome subunit beta type-6 - human protein (Function)
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PSMB6 »  Proteasome subunit beta type-6   [ EC ]
Protein also known as:  Multicatalytic endopeptidase complex delta chain.
Gene name:  PSMB6
Family name: Peptidase T1B
Entry whose protein(s) existence is based on evidence at protein level
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The proteasome is a multicatalytic proteinase complex which is characterized by its ability to cleave peptides with Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or slightly basic pH. The proteasome has an ATP-dependent proteolytic activity. This unit is responsible of the peptidyl glutamyl-like activity. May catalyze basal processing of intracellular antigens.  
  • CuratedUniProtKB
GO molecular function 
Endopeptidase activitydefinition[GO:0004175]  
  • NASUniProtKB
Threonine-type endopeptidase activitydefinition[GO:0004298]  
  • IEAUniProtKB KW
Enzymatic activity 
This protein acts as an enzyme. It is known to catalyze the following reaction
EC Cleavage of peptide bonds with very broad specificity.  
  • CuratedUniProtKB
More information is available from:
According to KEGG, this protein belongs to the following pathway:
Proteasome  hsa03050+5694  
According to Reactome, this protein belongs to the following pathways:
Apoptosis  REACT_578  
Cdc20:Phospho-APC/C mediated degradation of Cyclin A  REACT_6850  
Cell Cycle  REACT_115566  
Disease  REACT_116125  
DNA Replication  REACT_383  
Gene Expression  REACT_71  
Immune System  REACT_6900  
Metabolism  REACT_111217  
Metabolism of RNA  REACT_21257  
Mitotic M-M/G1 phases  REACT_21300  
Proteasome mediated degradation of PAK-2p34  REACT_13505  
Signal Transduction  REACT_111102  


Biological process 
Host-virus interaction  definition   [KW-0945]
Molecular function 
Hydrolase  definition   [KW-0378]
Protease  definition   [KW-0645]
Threonine protease  definition   [KW-0888]
Technical term 
Reference proteome  definition   [KW-1185]

Further external links

GeneWiki: PSMB6
GenomeRNAi: 5694
PRO: PR:P28072