29459
Our results show that EF - G bound to GTP ( EF - G - GTP ) continuously samples both rotational states of the ribosome , binding with higher affinity to the rotated state .
 GTP, GTP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 GTP, GTP