Structural features of residue 399 in chain A ********************************* Protrusion Index: PRO A 399 N 0.18 PRO A 399 CA 0.17 PRO A 399 C 0.37 PRO A 399 O 0.48 PRO A 399 CB 0.14 PRO A 399 CG 0.15 PRO A 399 CD 0.14