12840
Cross-linking of FcR with immune complexes leads, first to activation of protein- tyrosine kinases .
 protein: immune complexes; protein: protein- tyrosine kinases; protein: FcR
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: immune complexes, protein- tyrosine kinases, FcR 
Answer:
 protein: immune complexes; protein: protein- tyrosine kinases; protein: FcR