Ligand Atom Receptor Atom Distance -- C 90 CYS O A 97 SER O 2.42 C 91 LEU O A 60 ASN ND2 2.60 C 92 GLN CG A 97 SER O 2.60 C 42 HIS CD2 A 126 SER OG 2.62 C 87 TYR OH A 62 HIS CD2 2.63 C 91 LEU O A 97 SER C 2.64 C 91 LEU CD1 A 62 HIS CB 2.76 C 87 TYR OH A 211 LEU CD1 2.92 C 91 LEU CD1 A 33 THR CG2 2.92 C 91 LEU O A 97 SER O 2.93 C 91 LEU CB A 98 GLY CA 2.94 C 40 GLY O A 128 SER OG 2.95