9399
Furthermore, compared with wild-type Id3 , an Id3 Asp5 mutant (mimicking phosphorylation) is unable to promote cell cycle S phase entry in transfected fibroblasts , whereas an Id3 Ala5 mutant (ablating phosphorylation) displays an activity significantly greater than that of wild-type Id3 protein .
 ( protein: Id3, None) , ( protein: Id3, None) , ( protein: wild-type Id3, None) , ( cell line: transfected fibroblasts, None) , ( protein: wild-type Id3 protein, None) , ( protein: Id3, None) , ( protein: Id3 Ala5 mutant, None) , ( protein: Id3, None) , ( protein: Id3 Asp5 mutant, 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: Id3, None) , ( protein: Id3, None) , ( protein: wild-type Id3, None) , ( cell line: transfected fibroblasts, None) , ( protein: wild-type Id3 protein, None) , ( protein: Id3, None) , ( protein: Id3 Ala5 mutant, None) , ( protein: Id3, None) , ( protein: Id3 Asp5 mutant, None) 