Activated ras expression also replaced the requirement for PKC stimulation in activation of the T-cell transcription factor NF-AT .
activated ras expression also replaced the requirement for pkc stimulation in activation of the t-cell transcription factor nf-at .
O B-protein_molecule O O O O O O B-protein_molecule O O O O O B-protein_molecule I-protein_molecule I-protein_molecule B-protein_molecule O