Structural features of residue 220 in chain A ********************************* Protrusion Index: PRO A 220 N 1.15 PRO A 220 CA 0.83 PRO A 220 C 0.97 PRO A 220 O 1.27 PRO A 220 CB 1.13 PRO A 220 CG 1.64 PRO A 220 CD 1.45