5522
To enhance the survival of irradiated cells , we have compared the effects and mechanism of Bcl - 2 and its functional variants , D34A ( caspase - 3 resistant ) and S70E ( mimics phosphorylation on S70 ) .
 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