Finally , soluble CD4 ( sCD4 ) prevented virus reactivation by D1/CDR2-loop ligands .
finally , soluble cd4 ( scd4 ) prevented virus reactivation by d1/cdr2-loop ligands .
O O B-protein_molecule B-protein_molecule O B-protein_molecule O O B-other_name I-other_name O B-protein_family_or_group I-protein_family_or_group O