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Moreover, we have noticed that cysteine -containing T-cell determinants in a number of protein Ag are particularly rich in the amino acids alanine , glycine , lysine , leucine , serine , threonine , and valine .
 protein: Ag; protein: cysteine -containing T-cell determinants; protein: protein Ag
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: Ag; protein: cysteine -containing T-cell determinants; protein: protein Ag