Ligand Atom Receptor Atom Distance -- C 181 ALA O A 54 GLU CG 2.25 C 181 ALA O A 54 GLU OE2 2.42 C 95 GLU OE1 A 211 GLY N 2.52 C 181 ALA O A 54 GLU CD 2.59 C 85 ARG NH2 A 59 GLN OE1 2.66 C 95 GLU OE1 A 210 PRO C 2.85 C 93 SER N A 38 THR OG1 2.86 C 114 VAL CG2 A 212 SER OG 2.89 C 85 ARG NH2 A 61 GLY CA 2.93 C 85 ARG CZ A 61 GLY CA 3.00