Son of Sevenless ProteinsSOS1 ProteinSOS Response (Genetics)Molecular Sequence DataCell LineProteinsProtein BindingAmino Acid SequenceHeLa CellsViral ProteinsBase SequenceRec A RecombinasesEscherichia coliPhosphorylationVirus ReplicationProtein BiosynthesisMutationGRB2 Adaptor ProteinTyrosineBinding Sites