7498
Homogeneous boMCF - 1 was characterized as a 7717Da protein by mass spectrometry and identified by Edman degradation as the predicted product of bovine macrophage inflammatory protein - 1 alpha gene ( boMIP - 1 alpha / CCL3 ) isoform 2 ( lacking three NH 2 - terminal amino acids ) , belonging to the MIP subfamily of CC chemokines .
 Chemical: NH 2; Chemical: amino acids
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: NH 2; Chemical: amino acids