3263
An affinity column fraction, containing p37 , stimulated HTLV-I transcription approximately 12-fold in vitro.
 protein: p37
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: p37 
Answer:
 protein: p37