tokens: We have characterized several 29-kDa proteins that are rapidly phosphorylated following exposure of intact human platelets to thrombin .
folded_tokens: we have characterized several 29-kda proteins that are rapidly phosphorylated following exposure of intact human platelets to thrombin .
labels: O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O B-cell_type I-cell_type I-cell_type O B-protein_molecule O