Following TcR stimulation , activation of Erk2 was only inhibited by a previously described truncated form of p85 that cannot bind the catalytic subunit , but not by other constructs of p85 .
following tcr stimulation , activation of erk2 was only inhibited by a previously described truncated form of p85 that cannot bind the catalytic subunit , but not by other constructs of p85 .
O B-protein_family_or_group O O O O B-protein_molecule O O O O O O O B-protein_subunit I-protein_subunit I-protein_subunit I-protein_subunit O O O O B-protein_subunit I-protein_subunit O O O O O O O B-protein_subunit O