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We derive rules for retrieval motif recognition from key structural features : the reversed binding modes , the recognition of the C - terminal carboxylate group which enforces lysine positional context , and the tolerance of the acidic patches for non - lysine residues .
 Chemical: C; Chemical: carboxylate; Chemical: lysine; Chemical: lysine
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: C; Chemical: carboxylate; Chemical: lysine; Chemical: lysine