Ligand Atom Receptor Atom Distance -- C 13 GLU OE1 A 99 SER O 0.40 C 176 LYS NZ A 156 SER OG 0.89 C 176 LYS CE A 156 SER CB 0.95 -- C 176 LYS CD A 156 SER CB 1.01 C 176 LYS CE A 156 SER OG 1.30 C 13 GLU OE1 A 99 SER C 1.32 C 9 THR O A 155 ASN ND2 1.38 C 13 GLU CD A 99 SER O 1.61 C 13 GLU OE2 A 99 SER CA 1.67 C 12 HIS ND1 A 100 GLY O 1.74 C 176 LYS CD A 156 SER CA 1.82 C 176 LYS NZ A 156 SER CB 1.89 -- C 27 ARG NH1 A 157 GLY O 2.10 C 176 LYS CG A 156 SER CB 2.13 C 13 GLU CD A 99 SER CA 2.14 C 13 GLU CD A 99 SER C 2.15 C 13 GLU OE1 A 99 SER CA 2.15 C 9 THR CB A 155 ASN CB 2.24 C 9 THR C A 155 ASN ND2 2.27 C 176 LYS CD A 156 SER OG 2.28 C 13 GLU OE2 A 99 SER CB 2.36 C 12 HIS CG A 100 GLY O 2.39 C 27 ARG NH2 A 157 GLY CA 2.45 C 176 LYS CE A 156 SER CA 2.47 C 13 GLU OE2 A 99 SER C 2.48 C 13 GLU OE1 A 100 GLY N 2.51 C 13 GLU OE2 A 99 SER O 2.54 C 12 HIS CE1 A 100 GLY O 2.55 C 176 LYS CG A 156 SER CA 2.55 C 13 GLU CD A 99 SER CB 2.59 C 13 GLU OE1 A 99 SER CB 2.60 C 9 THR O A 155 ASN CG 2.61 C 176 LYS NZ A 160 ALA CB 2.64 C 13 GLU CG A 99 SER O 2.67 C 9 THR CG2 A 155 ASN O 2.70 C 13 GLU N A 99 SER O 2.73 C 176 LYS CD A 156 SER C 2.76 C 27 ARG NH1 A 157 GLY C 2.77 C 27 ARG CB A 188 SER CB 2.78 C 13 GLU OE2 A 99 SER N 2.83 C 176 LYS CD A 156 SER O 2.83 C 27 ARG NE A 188 SER O 2.85 C 10 ASP OD2 A 127 GLY O 2.87 C 12 HIS ND1 A 100 GLY C 2.87 C 9 THR OG1 A 155 ASN CB 2.87 C 27 ARG CZ A 188 SER O 2.91 C 27 ARG N A 188 SER OG 2.93 C 12 HIS CB A 100 GLY O 2.97 C 176 LYS NZ A 160 ALA N 3.00