7390
Amelioration of rat cerulein pancreatitis by guamerin-derived peptide , a novel elastase inhibitor .
 protein: elastase
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 
Answer:
 protein: elastase