Structural features of residue 181 in chain A ********************************* Protrusion Index: PRO A 181 N 0.57 PRO A 181 CA 0.69 PRO A 181 C 0.57 PRO A 181 O 0.60 PRO A 181 CB 0.97 PRO A 181 CG 0.86 PRO A 181 CD 0.75