Ligand Atom Receptor Atom Distance -- B 143 PHE O A 215 TRP CB 1.58 B 145 LYS O A 195 SER OG 1.82 B 146 ILE CD1 A 57 HIS O 1.91 -- B 145 LYS C A 195 SER OG 2.03 B 66 THR OG1 A 175 GLN NE2 2.19 B 144 CYS N A 99 LEU CD1 2.23 B 145 LYS N A 214 SER O 2.24 B 143 PHE C A 215 TRP CB 2.28 B 146 ILE N A 57 HIS NE2 2.36 B 143 PHE CB A 215 TRP CE3 2.39 B 140 SER O A 96 SER CB 2.41 B 143 PHE O A 215 TRP CA 2.41 B 144 CYS CB A 99 LEU CD1 2.49 B 146 ILE CB A 57 HIS CD2 2.52 B 66 THR CG2 A 173 PRO O 2.53 B 145 LYS CB A 195 SER OG 2.55 B 144 CYS SG A 57 HIS CG 2.59 B 141 CYS CA A 96 SER O 2.62 B 144 CYS CA A 99 LEU CD1 2.62 B 145 LYS CA A 195 SER OG 2.62 B 146 ILE N A 57 HIS CD2 2.67 B 66 THR CG2 A 173 PRO CG 2.69 B 143 PHE CB A 215 TRP CD2 2.71 B 140 SER O A 96 SER O 2.74 B 144 CYS CA A 214 SER O 2.74 B 144 CYS SG A 57 HIS CB 2.77 B 143 PHE CG A 215 TRP CE3 2.81 B 143 PHE O A 216 GLY N 2.83 B 145 LYS O A 195 SER CB 2.86 B 143 PHE O A 215 TRP CG 2.87 B 144 CYS C A 214 SER O 2.87 B 146 ILE N A 195 SER OG 2.87 B 122 TRP NE1 A 97 ASN OD1 2.89 B 143 PHE C A 99 LEU CD1 2.89 B 140 SER O A 96 SER OG 2.90 B 143 PHE CG A 215 TRP CZ3 2.91 B 144 CYS SG A 57 HIS CD2 2.91 B 144 CYS N A 215 TRP CB 2.93 B 145 LYS N A 57 HIS NE2 2.93 B 143 PHE CE2 A 175 GLN OE1 2.94 B 144 CYS CB A 57 HIS ND1 2.95 B 141 CYS CB A 99 LEU CD2 2.97 B 145 LYS C A 57 HIS NE2 2.97 B 66 THR CB A 173 PRO CG 2.97 B 146 ILE CA A 57 HIS CD2 2.98 B 66 THR CG2 A 173 PRO CB 2.98