1438
We demonstrate in vitro cleavage of p65 by purified elastase and cathepsin G .
 protein: elastase; protein: p65; protein: cathepsin G
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: elastase, p65, cathepsin G 
Answer:
 protein: elastase; protein: p65; protein: cathepsin G