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This event is probably mediated by V-(D)-J recombinase activity , although neither locus is an immunoglobulin or a T cell receptor .
 protein: T cell receptor; protein: immunoglobulin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: T cell receptor; protein: immunoglobulin