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In this report, we demonstrate that engagement of the TCR results in tyrosine phosphorylation of SLP-76 in its amino-terminal acidic region .
 protein: amino-terminal acidic region; protein: TCR; protein: SLP-76
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: amino-terminal acidic region, TCR, SLP-76 
Answer:
 protein: amino-terminal acidic region; protein: TCR; protein: SLP-76