5457
A comparison of the predicted polypeptide sequence of the Drosophila protein with the equivalent subunits from mouse and yeast suggests that they are closely related and defines three conserved regions which are likely to be important for enzyme activity .
 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