7560
Here , we identified Bcl - 2 antagonist killer 1 ( Bak ) as a molecular target of VK2 - induced apoptosis .
 Chemical: VK2
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: VK2