Structural features of residue 40 in chain A

********************************* Van der Waal's Interactions: TYR A 36 OH 99 GLN A 40 NE2 130 -0.382 INTRA-CHAIN GLN A 40 NE2 130 ARG A 44 NH2 163 -0.048 INTRA-CHAIN GLN A 40 NE2 130 GLU K 77 OE2 6221 -0.180 INTER-CHAIN GLN A 40 NE2 130 GLU J 201 OE2 5746 -0.044 INTER-CHAIN GLN A 40 NE2 130 ARG J 204 NH2 5771 -0.020 INTER-CHAIN