Binding to RBD increased from undetectable levels in resting platelets to >50% of total Rap1 within 30 s after stimulation .
binding to rbd increased from undetectable levels in resting platelets to >50% of total rap1 within 30 s after stimulation .
O O B-protein_domain_or_region O O O O O B-cell_type I-cell_type O O O O B-protein_molecule O O O O O O