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A T cell-specific protein Neg-1 and a ubiquitous protein Neg-2 binding to NRE-I and NRE-II , respectively, were identified.
 protein: T cell-specific protein; DNA: NRE-I; protein: ubiquitous protein; protein: Neg-2; DNA: NRE-II; protein: Neg-1
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-specific protein; DNA: NRE-I; protein: ubiquitous protein; protein: Neg-2; DNA: NRE-II; protein: Neg-1