Structural features of residue 18 in chain A

********************************* Hydrophobic Interactions: TYR A 18 ALA A 19 Dist=5.201 INTRA-CHAIN TYR A 18 PHE A 21 Dist=6.779 INTRA-CHAIN TYR A 18 LEU A 277 Dist=6.769 INTRA-CHAIN ********************************* Van der Waal's Interactions: TYR A 18 OH 149 HIS A 22 NE2 180 -0.330 INTRA-CHAIN