Structural features of residue 181 in chain A ********************************* Protrusion Index: THR A 181 N 0.14 THR A 181 CA 0.11 THR A 181 C 0.10 THR A 181 O 0.16 THR A 181 CB 0.17 THR A 181 OG1 0.23 THR A 181 CG2 0.02