5524
The electrostatic potential of BH3 cleft of Bcl - 2 / mutants and their heterodimerization with Bcl - 2 associated X protein ( Bax ) were computationally evaluated .
 Chemical: BH3
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: BH3 
Answer:
 Chemical: BH3