Ligand Atom Receptor Atom Distance -- C 93 SER OG A 203 TYR OH 2.78 C 112 GLY O A 203 TYR OH 2.86 C 81 ARG NH1 A 208 TYR O 2.91 C 114 VAL N A 60 ASN O 2.94 C 91 LEU O A 62 HIS CD2 2.99