Furthermore , the dose of OKT3 required to achieve half-maximal activation was the same using PMA or different concentrations of alpha 4 beta 1 ligands .
furthermore , the dose of okt3 required to achieve half-maximal activation was the same using pma or different concentrations of alpha 4 beta 1 ligands .
O O O O O B-protein_molecule O O O B-other_name I-other_name O O O O B-other_organic_compound O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O