Structural features of residue 57 in chain B ********************************* Protrusion Index: VAL B 57 N 0.53 VAL B 57 CA 0.38 VAL B 57 C 0.31 VAL B 57 O 0.22 VAL B 57 CB 0.27 VAL B 57 CG1 0.26 VAL B 57 CG2 0.28