Structural features of residue 21 in chain A
********************************* Protrusion Index: SER A 21 N 0.13 SER A 21 C 0.03 SER A 21 O -0.01 ********************************* Van der Waal's Interactions: GLY A 20 O 185 SER A 21 O 190 -0.210 INTRA-CHAIN SER A 21 O 190 ILE A 22 CD1 202 -0.019 INTRA-CHAIN SER A 21 O 190 ILE A 23 CD1 210 -0.059 INTRA-CHAIN SER A 21 O 190 PHE B 47 CZ 2112 -0.011 INTER-CHAIN SER A 21 O 190 ILE B 85 CD1 2442 -0.566 INTER-CHAIN SER A 21 O 190 ILE B 131 CD1 2838 -0.057 INTER-CHAIN SER A 21 O 190 LEU B 179 CD2 3279 -0.200 INTER-CHAIN SER A 21 O 190 PRO B 181 CD 3295 -0.008 INTER-CHAIN