6122
Electrophoretic mobility shift assays ( EMSAs ) showed that recombinant C/EBPbeta protein could bind to the potential C/EBP-binding site ( bp -90 to -82 ) in the MBP promoter.
 protein: MBP; DNA: C/EBP-binding site; protein: C/EBPbeta; DNA: bp -90 to -82
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: MBP, C/EBP-binding site, C/EBPbeta, bp -90 to -82 
Answer:
 protein: MBP; DNA: C/EBP-binding site; protein: C/EBPbeta; DNA: bp -90 to -82