The Epstein-Barr virus protein EBNA2 acts as a transcriptional activator of cellular and viral genes and plays a crucial role in the immortalization of human primary B-cells by EBV .
the epstein-barr virus protein ebna2 acts as a transcriptional activator of cellular and viral genes and plays a crucial role in the immortalization of human primary b-cells by ebv .
O B-virus I-virus O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O O O O O O O O B-cell_type I-cell_type I-cell_type O B-virus O