5230
CAPs off to the S - S bond : Application of a strategy involving the introduction of intramolecular disulfide bonds to amphipathic cationic antimicrobial peptides ( CAPs ) led to decreased alpha - helicity and hydrophobicity .
 Chemical: S - S; Chemical: disulfide
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: S - S; Chemical: disulfide