Ligand Atom Receptor Atom Distance -- C 147 TRP CH2 A 218 ASN CB 1.48 C 168 GLU OE2 A 210 PRO O 1.50 C 147 TRP CZ3 A 218 ASN CB 1.51 C 168 GLU CD A 210 PRO O 1.71 C 170 TYR OH A 209 TYR CE2 1.97 -- C 170 TYR OH A 209 TYR CZ 2.15 C 170 TYR OH A 209 TYR CD2 2.17 C 147 TRP CZ3 A 218 ASN CG 2.20 C 168 GLU OE2 A 209 TYR CD2 2.25 C 147 TRP CZ3 A 218 ASN ND2 2.26 C 147 TRP CH2 A 218 ASN C 2.32 C 168 GLU OE2 A 213 THR CG2 2.34 C 168 GLU CG A 209 TYR CE2 2.38 C 147 TRP CH2 A 218 ASN CA 2.42 C 147 TRP CZ3 A 218 ASN CA 2.42 C 168 GLU CG A 210 PRO O 2.42 C 170 TYR CZ A 209 TYR CE2 2.43 C 102 LEU CD1 A 99 SER CB 2.48 C 168 GLU OE1 A 210 PRO O 2.49 C 147 TRP CH2 A 218 ASN O 2.51 C 168 GLU CD A 209 TYR CD2 2.54 C 170 TYR OH A 209 TYR CE1 2.55 C 170 TYR OH A 209 TYR CG 2.55 C 170 TYR CE1 A 209 TYR CE2 2.57 C 168 GLU OE2 A 210 PRO C 2.58 C 168 GLU CG A 209 TYR CD2 2.65 C 147 TRP CZ3 A 218 ASN N 2.66 C 170 TYR CZ A 209 TYR CD2 2.74 C 147 TRP CZ2 A 218 ASN O 2.76 C 170 TYR OH A 209 TYR CD1 2.77 C 147 TRP CH2 A 218 ASN CG 2.79 C 147 TRP CZ3 A 218 ASN O 2.81 C 147 TRP CZ2 A 218 ASN CB 2.85 C 147 TRP CZ3 A 218 ASN C 2.86 C 168 GLU CD A 210 PRO C 2.87 C 147 TRP CE3 A 218 ASN ND2 2.88 C 147 TRP CE3 A 218 ASN CB 2.91 C 168 GLU CD A 209 TYR CE2 2.92 C 168 GLU OE2 A 209 TYR C 2.92 C 147 TRP CZ2 A 218 ASN C 2.95 C 168 GLU OE1 A 213 THR CG2 2.98 C 168 GLU CB A 210 PRO O 3.00 C 168 GLU OE2 A 209 TYR O 3.00