We first found experimental conditions where Ca ( 2+ ) -transport by platelet membrane vesicles appeared to be dependent on the phosphorylation of the Rap1 protein .
we first found experimental conditions where ca ( 2+ ) -transport by platelet membrane vesicles appeared to be dependent on the phosphorylation of the rap1 protein .
O O O O O O B-other_name I-other_name I-other_name I-other_name I-other_name O O B-cell_component I-cell_component O O O O O O B-other_name O O B-protein_molecule I-protein_molecule O