10900
EBF and E47 collaborate to induce expression of the endogenous immunoglobulin surrogate light chain genes .
 ( protein: E47, None) , ( protein: EBF, None) , ( DNA: endogenous immunoglobulin surrogate light chain genes, 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: E47, None) , ( protein: EBF, None) , ( DNA: endogenous immunoglobulin surrogate light chain genes, None) 