Structural features of residue 53 in chain A ********************************* Protrusion Index: THR A 53 N 0.37 THR A 53 CA 0.24 THR A 53 C 0.22 THR A 53 O 0.27 THR A 53 CB 0.46 THR A 53 OG1 0.59 THR A 53 CG2 0.38