7783
SH2 domain-containing protein 76 ( SLP-76 ) interacts with the guanine nucleotide exchange factor Vav to activate the nuclear factor of activated cells ( NF-AT ), and its expression is required for normal T cell development .
 ( protein: SLP-76, None) , ( protein: nuclear factor of activated cells, None) , ( protein: Vav, None) , ( protein: guanine nucleotide exchange factor, None) , ( protein: NF-AT, None) , ( protein: SH2 domain-containing protein 76, None) , ( cell type: T cell, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: SLP-76, None) , ( protein: nuclear factor of activated cells, None) , ( protein: Vav, None) , ( protein: guanine nucleotide exchange factor, None) , ( protein: NF-AT, None) , ( protein: SH2 domain-containing protein 76, None) , ( cell type: T cell, None) 