Structural features of residue 171 in chain A ********************************* Protrusion Index: PRO A 171 N 0.15 PRO A 171 CA 0.17 PRO A 171 C 0.34 PRO A 171 O 0.47 PRO A 171 CB 0.19 PRO A 171 CG 0.16 PRO A 171 CD 0.20