In contrast , Grb2 can be coimmunoprecipitated with Sos1 and Sos2 but not with SLP-76 .
in contrast , grb2 can be coimmunoprecipitated with sos1 and sos2 but not with slp-76 .
O O O B-protein_molecule O O B-other_name O B-protein_molecule O B-protein_molecule O O O B-protein_molecule O