Structural features of residue 23 in chain B ********************************* Protrusion Index: ARG B 23 N 1.13 ARG B 23 CA 1.06 ARG B 23 C 0.93 ARG B 23 O 0.72 ARG B 23 CB 1.74 ARG B 23 CG 1.85 ARG B 23 CD 2.79 ARG B 23 NE 3.53