Receptor Ligand global energy (kcal/mol) Vander walls force –Attraction (kcal/mol) Hydrogen bond (kcal/mol) Cag3 CagC-C Dimer 0.45 -4.16 0.0 CagM CagC-C Dimer -53.00 -32.49 -1.52

Table 4: Protein interaction details for receptors Cag3 and CagM with CagC-C dimer as ligand.