Ligand Atom Receptor Atom Distance -- C 159 GLY O A 153 ASN O 2.31 C 159 GLY N A 154 SER O 2.38 C 88 THR O A 203 TYR OH 2.78 C 90 CYS O A 60 ASN O 2.78 C 90 CYS O A 60 ASN ND2 2.79 C 159 GLY CA A 154 SER O 2.81 C 159 GLY C A 153 ASN O 2.87 C 91 LEU CB A 60 ASN O 2.91 C 92 GLN NE2 A 97 SER O 2.93 C 42 HIS ND1 A 215 SER OG 2.95 C 43 CYS SG A 60 ASN OD1 2.95 C 90 CYS C A 60 ASN O 2.95 C 42 HIS CE1 A 215 SER OG 2.96