Structural features of residue 23 in chain A ********************************* Protrusion Index: LEU A 23 N 0.93 LEU A 23 CA 1.00 LEU A 23 C 1.08 LEU A 23 O 1.29 LEU A 23 CB 0.60 LEU A 23 CG 0.43 LEU A 23 CD1 0.28 LEU A 23 CD2 0.49