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These data suggest a model of signal transduction by the antigen receptor on B lymphocytes in which increased intracellular free calcium can rapidly activate nuclear CaM kinase II , potentially resulting in phosphorylation and regulation of DNA-binding proteins .
 protein: DNA-binding proteins; cell type: B lymphocytes; protein: nuclear CaM kinase II; protein: antigen receptor
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: DNA-binding proteins; cell type: B lymphocytes; protein: nuclear CaM kinase II; protein: antigen receptor