11763
The NF-kappa B1 gene encodes a 105-kD protein that is the precursor of the p50 component of NF-kappa B .
 ( protein: 105-kD protein, None) , ( DNA: NF-kappa B1 gene, None) , ( protein: p50, None) , ( protein: p50 component, None) , ( protein: NF-kappa B, 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: 105-kD protein, None) , ( DNA: NF-kappa B1 gene, None) , ( protein: p50, None) , ( protein: p50 component, None) , ( protein: NF-kappa B, None) 