9398
We now show that an analogous cell-cycle-regulated phosphorylation of Id3 alters the specificity of Id3 for abrogating both E-box-dependent bHLH homo- or heterodimer complex formation in vitro and E-box-dependent reporter gene function in vivo.
 ( protein: E-box-dependent bHLH, None) , ( DNA: reporter gene, None) , ( protein: Id3, None) , ( protein: Id3, 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: E-box-dependent bHLH, None) , ( DNA: reporter gene, None) , ( protein: Id3, None) , ( protein: Id3, None) 