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; protein: ubiquitous transcription factor; protein: /NF-kappa B; protein: transcription factor; protein: Rel; protein: multiple polypeptide subunits
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: Rel /NF-kappa B, ubiquitous transcription factor, /NF-kappa B, transcription factor, Rel, multiple polypeptide subunits 
Answer:
 protein: Rel /NF-kappa B; protein: ubiquitous transcription factor; protein: /NF-kappa B; protein: transcription factor; protein: Rel; protein: multiple polypeptide subunits