12539
NF-X2 , which contains members of the AP-1/ATF/CREB families of transcription factors , interacts with the X2 box ( 5'-TGCGTCA-3' ) from positions -97 to -91 in the DRA promoter .
 DNA: X2 box; protein: AP-1/ATF/CREB families; DNA: NF-X2; protein: transcription factors; DNA: DRA promoter
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: X2 box, AP-1/ATF/CREB families, NF-X2, transcription factors, DRA promoter 
Answer:
 DNA: X2 box; protein: AP-1/ATF/CREB families; DNA: NF-X2; protein: transcription factors; DNA: DRA promoter