1130
However, combination of OKT3 and phorbol myristate acetate produced a concentration of binding sites similar to the PHA -activated cells .
 protein: OKT3; cell line: PHA -activated cells; protein: PHA
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: OKT3; cell line: PHA -activated cells; protein: PHA