26036
This peptide was chemically synthesized and its three - dimensional structure was solved by NMR analysis and compared to that of TxVA belonging to the same family , revealing very few common structural features apart a common orientation of the intercysteine loop .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None