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Moreover , mutation of ECII can alter this coupled equilibrium from GTP - insensitive agonist binding to more conventional GTP - sensitive binding .
 Chemical: GTP; Chemical: GTP
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: GTP; Chemical: GTP