1531
To study their differential activation properties , we linked the isolated effector domains to the GAL4 DNA-binding domain .
 protein: GAL4 DNA-binding domain; protein: differential activation properties; protein: effector domains
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: GAL4 DNA-binding domain; protein: differential activation properties; protein: effector domains