Structural features of residue 255 in chain A ********************************* Protrusion Index: THR A 255 N 2.06 THR A 255 CA 2.26 THR A 255 C 2.36 THR A 255 O 2.93 THR A 255 CB 2.86 THR A 255 OG1 2.79 THR A 255 CG2 3.34