10589
Structural changes in the kinetically more damaged E44D mutant detected in ( 1 ) H - ( 15 ) N HSQC spectra were largely limited to the loop I - helix I motif , suggesting that Glu - 44 stabilizes the active site region .
 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