10123
Differential interaction of nuclear factors with the leukocyte-specific pp52 promoter in B and T cells .
 DNA: leukocyte-specific pp52 promoter; protein: nuclear factors
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: leukocyte-specific pp52 promoter, nuclear factors 
Answer:
 DNA: leukocyte-specific pp52 promoter; protein: nuclear factors