5597
Molecular interaction studies of HIV - 1 matrix protein p17 and heparin : identification of the heparin - binding motif of p17 as a target for the development of multitarget antagonists .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None