Structural features of residue 181 in chain A ********************************* Protrusion Index: PRO A 181 N 0.74 PRO A 181 CA 0.46 PRO A 181 C 0.20 PRO A 181 O 0.09 PRO A 181 CB 0.45 PRO A 181 CG 0.52 PRO A 181 CD 0.68