The third site was occupied in quiescent cells or in cells stimulated by anti CD2 or anti CD28 alone .
the third site was occupied in quiescent cells or in cells stimulated by anti cd2 or anti cd28 alone .
O O O O O O O O O O O O O B-protein_family_or_group B-protein_molecule O B-protein_family_or_group B-protein_molecule O O