731
T cells express multiple isotypes of protein kinase C ( PKC ) and although it is well accepted that PKCs have an important role in T cell activation , little is known about the function of individual PKC isotypes .
 protein: protein kinase C; protein: PKC isotypes; protein: PKCs; cell type: T cells; protein: PKC
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: protein kinase C, PKC isotypes, PKCs, T cells, PKC 
Answer:
 protein: protein kinase C; protein: PKC isotypes; protein: PKCs; cell type: T cells; protein: PKC