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We investigated the functional role of Itk , a member of the cytoplasmic tyrosine kinase Tec family , in T cell activation .
 protein: cytoplasmic tyrosine kinase Tec family; protein: Itk
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: cytoplasmic tyrosine kinase Tec family, Itk 
Answer:
 protein: cytoplasmic tyrosine kinase Tec family; protein: Itk