Ligand Atom Receptor Atom Distance -- B 56 ASP OD2 A 213 THR OG1 2.61 B 50 ASP OD2 A 216 SER OG 2.63 B 55 HIS NE2 A 206 GLN NE2 2.87 B 85 ARG NH2 A 61 GLY O 2.88 B 50 ASP OD2 A 204 ASN ND2 2.92 B 89 THR O A 127 GLY O 2.99