14513
Here we examine the biochemical basis for the transcriptional regulation of HIV by NFKB2 .
 protein: NFKB2
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: NFKB2 
Answer:
 protein: NFKB2