These studies identify p21ras as a target of NO in T cells and suggest that NO activates p21ras by an action which mimics that of guanine nucleotide exchange factors .
these studies identify p21ras as a target of no in t cells and suggest that no activates p21ras by an action which mimics that of guanine nucleotide exchange factors .
O O O B-protein_molecule O O O O B-inorganic O B-cell_type I-cell_type O O O B-inorganic O B-protein_molecule O O O O O O O B-nucleotide O O O O