5053
When fused to GAD , the C-terminal region of Ku was able to activate transcription via TRE-1 but this activation was not dependent on Tax .
 protein: C-terminal region; protein: Ku; protein: Tax; protein: GAD; DNA: TRE-1
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: C-terminal region, Ku, Tax, GAD, TRE-1 
Answer:
 protein: C-terminal region; protein: Ku; protein: Tax; protein: GAD; DNA: TRE-1