1406
Electrophoretic mobility shift assays confirmed that region II interacts specifically with nuclear proteins from monocytic cells .
 cell type: monocytic cells; protein: nuclear proteins; DNA: region II
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: monocytic cells, nuclear proteins, region II 
Answer:
 cell type: monocytic cells; protein: nuclear proteins; DNA: region II