Ligand Atom Receptor Atom Distance -- C 29 HIS O A 203 TYR OH 2.68 C 28 ALA O A 59 GLY O 2.90 C 28 ALA O A 60 ASN CA 2.93 C 29 HIS CA A 60 ASN O 2.93 C 161 ALA N A 198 ASN ND2 2.94 C 54 GLN CG A 125 GLY O 2.94 C 162 TRP CZ2 A 209 ALA CB 2.97 C 160 GLY O A 210 SER OG 2.99