The IE2 gene product of human cytomegalovirus ( HCMV ) is one of a few viral regulatory proteins expressed immediately upon infection of the host cell .
the ie2 gene product of human cytomegalovirus ( hcmv ) is one of a few viral regulatory proteins expressed immediately upon infection of the host cell .
O B-protein_molecule I-protein_molecule I-protein_molecule O B-virus I-virus O B-virus O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O B-other_name O O B-cell_type I-cell_type O