12827
Thus, although CD3 , CD28 , and CD2 activate many of the same signaling molecules , they differed in their capacity to induce the tyrosine phosphorylation of HSI .
 protein: CD3; protein: CD28; protein: HSI; protein: signaling molecules
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: CD3, CD28, HSI, signaling molecules 
Answer:
 protein: CD3; protein: CD28; protein: HSI; protein: signaling molecules