733
Again residue Glu - 381 of beta was notably reduced and no missing residue from the epsilon peptide could be identified , but the peptide sequence limited the possible choices to Ser - 106 , Ser - 107 , or Ser - 108 .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None