4831
These findings suggest that the processing of p105 is subject to negative regulation by the various NF-kappaB subunits .
 protein: NF-kappaB subunits; protein: NF-kappaB; protein: p105
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: NF-kappaB subunits, NF-kappaB, p105 
Answer:
 protein: NF-kappaB subunits; protein: NF-kappaB; protein: p105