4131
The previously defined minimal enhancer containing the muA , muE3 , and muB sites is transactivated by a combination of the ETS-domain proteins PU.1 and Ets-1 in nonlymphoid cells .
 protein: PU.1; protein: Ets-1; protein: ETS-domain proteins; cell type: nonlymphoid cells; DNA: minimal enhancer
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: PU.1, Ets-1, ETS-domain proteins, nonlymphoid cells, minimal enhancer 
Answer:
 protein: PU.1; protein: Ets-1; protein: ETS-domain proteins; cell type: nonlymphoid cells; DNA: minimal enhancer