Ligand Atom Receptor Atom Distance -- C 54 GLN NE2 A 216 SER O 1.97 -- C 137 HIS O A 156 SER CB 2.10 C 29 HIS NE2 A 101 SER CB 2.28 C 54 GLN CD A 216 SER O 2.33 C 9 THR O A 157 GLY O 2.36 C 9 THR O A 157 GLY CA 2.39 C 9 THR O A 188 SER O 2.40 C 29 HIS NE2 A 101 SER CA 2.42 C 137 HIS O A 156 SER OG 2.47 C 138 GLU OE1 A 129 PRO CD 2.49 C 29 HIS NE2 A 100 GLY O 2.52 C 134 ALA CB A 129 PRO O 2.53 C 132 SER OG A 129 PRO O 2.56 C 136 VAL CG1 A 165 ILE O 2.59 C 29 HIS CD2 A 101 SER CB 2.59 C 155 ARG CD A 99 SER CB 2.61 C 155 ARG CD A 99 SER O 2.62 C 132 SER OG A 129 PRO C 2.64 C 9 THR O A 157 GLY C 2.65 C 137 HIS CB A 160 ALA CB 2.66 C 26 ASN ND2 A 126 LEU CA 2.66 C 29 HIS CD2 A 100 GLY O 2.67 C 10 ASP OD1 A 188 SER CB 2.68 C 131 TYR CE2 A 130 SER OG 2.68 C 29 HIS CE1 A 100 GLY O 2.69 C 132 SER OG A 130 SER CA 2.71 C 132 SER OG A 130 SER N 2.73 C 28 ALA CA A 64 HIS CD2 2.74 C 174 VAL CG1 A 156 SER CA 2.75 C 138 GLU OE1 A 129 PRO N 2.78 C 137 HIS CG A 160 ALA CB 2.80 C 28 ALA O A 100 GLY CA 2.82 C 27 ARG CG A 155 ASN ND2 2.84 C 29 HIS CD2 A 100 GLY C 2.84 C 9 THR CA A 157 GLY CA 2.86 C 155 ARG NE A 99 SER O 2.89 C 25 ALA O A 155 ASN N 2.90 C 54 GLN CB A 216 SER O 2.90 C 136 VAL CG2 A 129 PRO CA 2.91 C 29 HIS CD2 A 101 SER CA 2.92 C 29 HIS CG A 100 GLY O 2.92 C 29 HIS ND1 A 100 GLY O 2.92 C 137 HIS CD2 A 160 ALA CB 2.93 C 155 ARG CD A 99 SER CA 2.94 C 131 TYR CD2 A 130 SER OG 2.95 C 136 VAL CG2 A 129 PRO CB 2.95 C 28 ALA CB A 64 HIS CE1 2.95 C 9 THR C A 188 SER O 2.95 C 138 GLU CB A 129 PRO CB 2.96 C 26 ASN ND2 A 126 LEU CB 2.97 C 29 HIS CD2 A 101 SER N 2.97 C 9 THR C A 157 GLY CA 2.97 C 174 VAL CG2 A 155 ASN O 2.98 C 28 ALA CB A 64 HIS ND1 2.98 C 54 GLN NE2 A 216 SER C 2.99 C 54 GLN OE1 A 216 SER O 2.99