5602
Neutralization ( Arg --> Ala substitution ) of the N - terminal , but not of the C - terminal basic motif , causes the loss of p17 heparin - binding capacity .
 Chemical: Arg; Chemical: Ala; Chemical: N; Chemical: C
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: Arg; Chemical: Ala; Chemical: N; Chemical: C