Structural features of residue 21 in chain A

********************************* Hydrophobic Interactions: ILE A 21 TYR B 42 Dist=6.976 INTER-CHAIN ILE A 21 LEU A 415 Dist=6.262 INTRA-CHAIN ********************************* Protrusion Index: ILE A 21 N 0.49 ILE A 21 CA 0.34 ILE A 21 C 0.39 ILE A 21 O 0.30 ILE A 21 CB 0.26 ILE A 21 CG1 0.13 ILE A 21 CG2 0.15 ILE A 21 CD1 0.04 ********************************* Van der Waal's Interactions: GLU A 17 OE2 123 ILE A 21 CD1 156 -0.137 INTRA-CHAIN ILE A 21 CD1 156 TYR B 42 OH 319 -0.212 INTER-CHAIN ILE A 21 CD1 156 GLU A 54 OE2 407 -0.034 INTRA-CHAIN ILE A 21 CD1 156 LEU A 415 CD2 3172 -0.262 INTRA-CHAIN ILE A 21 CD1 156 THR B 427 CG2 3265 -0.103 INTER-CHAIN