9855
Rel /NF-kappa B is a ubiquitous transcription factor that consists of multiple polypeptide subunits , and is subject to complex regulatory mechanisms that involve protein-protein interactions , phosphorylation , ubiquitination , proteolytic degradation , and nucleocytoplasmic translocation .
 ( protein: Rel /NF-kappa B, None) , ( protein: ubiquitous transcription factor, None) , ( protein: /NF-kappa B, None) , ( protein: transcription factor, None) , ( protein: Rel, None) , ( protein: multiple polypeptide subunits, 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: Rel /NF-kappa B, None) , ( protein: ubiquitous transcription factor, None) , ( protein: /NF-kappa B, None) , ( protein: transcription factor, None) , ( protein: Rel, None) , ( protein: multiple polypeptide subunits, None) 