Ligand Atom Receptor Atom Distance -- C 180 PRO O A 9 SER O 2.21 C 50 ASP OD2 A 1 ALA O 2.45 C 87 TYR CB A 17 HIS CB 2.48 C 34 THR CG2 A 1 ALA CB 2.51 C 34 THR OG1 A 2 GLN O 2.51 C 55 HIS CB A 3 SER OG 2.51 C 58 PHE CD1 A 4 VAL CG2 2.55 C 57 GLY O A 4 VAL N 2.59 C 87 TYR CD1 A 17 HIS O 2.60 C 87 TYR CD2 A 76 ASN OD1 2.62 C 87 TYR O A 76 ASN OD1 2.65 C 180 PRO O A 12 GLN CG 2.74 C 58 PHE CZ A 2 GLN NE2 2.80 C 55 HIS CG A 3 SER OG 2.84 C 179 PRO CB A 10 ARG NE 2.88 C 34 THR CB A 2 GLN O 2.93