CD19 - B-lymphocyte antigen CD19 - human protein (Function)
 
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Protein
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CD19 »  B-lymphocyte antigen CD19
 
Protein also known as:  B-lymphocyte surface antigen B4; CD antigen CD19.
Gene name:  CD19
Entry whose protein(s) existence is based on evidence at protein level
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GENE REF ISO

Function

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Overview 
Assembles with the antigen receptor of B-lymphocytes in order to decrease the threshold for antigen receptor-dependent stimulation.  
  • CuratedUniProtKB
GO molecular function 
Receptor signaling protein activitydefinition[GO:0005057]  
1
  • TASPINC
GO biological process 
B cell receptor signaling pathwaydefinition[GO:0050853] silver  
  • IEAOrtholog Compara
Cell surface receptor signaling pathwaydefinition[GO:0007166]  
1
  • TASPINC
Cellular defense responsedefinition[GO:0006968]  
1
  • TASPINC
Pathways 
According to KEGG, this protein belongs to the following pathways:
B cell receptor signaling pathway  hsa04662+930  
Hematopoietic cell lineage  hsa04640+930  
Primary immunodeficiency  hsa05340+930  
According to Reactome, this protein belongs to the following pathways:
Disease  REACT_116125  
Immune System  REACT_6900  
Signal Transduction  REACT_111102  
 

Keywords

Technical term 
Reference proteome  definition   [KW-1185]
 

Further external links

GeneWiki: CD19
GenomeRNAi: 930
PRO: PR:P15391