11265
Characterization of the DNA-binding protein by UV cross-linking , Southwestern blot , and antibody ablation/supershift assays revealed that it is similar to a recently reported nuclear factor designated SAF .
 ( protein: nuclear factor, None) , ( protein: SAF, None) , ( protein: DNA-binding protein, 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: nuclear factor, None) , ( protein: SAF, None) , ( protein: DNA-binding protein, None) 