Structural features of residue 67 in chain I ********************************* Protrusion Index: LEU I 67 N 0.33 LEU I 67 CA 0.46 LEU I 67 O 0.40 LEU I 67 CB 0.54 LEU I 67 CG 0.34 LEU I 67 CD1 0.40 LEU I 67 CD2 0.36