Structural features of residue 27 in chain A ********************************* Protrusion Index: PRO A 27 N 1.60 PRO A 27 CA 1.40 PRO A 27 C 1.00 PRO A 27 O 0.84 PRO A 27 CB 1.82 PRO A 27 CG 2.26 PRO A 27 CD 2.21