Trp Operon Repressor

(All numbering and residues are taken from first PDB file)

Bending Residue Dihedral Analysis

Residue i Residue i+1 Distance of hinge axis to residue i in conformer 1 (A) Distance of hinge axis to residue i in conformer 2 (A) Change in psi (i) (deg) Change in phi (i+1) (deg) Angle of psi(i) axis to hinge axis conformer 1 (deg) Angle of psi(i) axis to hinge axis conformer 2 (deg) Percentage Progress  ARG-63   GLY-64  24.2 29.9 -3.6 144.7 59.3 49.7 -134.2  GLY-64   GLU-65  21.2 27.2 50.2 -11.6 149.3 75.3 -5.2  GLU-65   MET-66  22.6 24.7 -9.8 -23.6 93.0 90.0 -36.7  MET-66   SER-67  24.3 22.1 -168.1 -8.1 94.8 24.6 150.2  SER-67   GLN-68  21.1 20.5 -155.3 1.9 38.8 104.9 -141.4  GLN-68   ARG-69  19.2 21.2 2.9 3.0 128.5 64.0 -1.1  ARG-69   GLU-70  22.2 17.7 0.6 -0.9 73.0 15.8 7.4  GLU-70   LEU-71  22.7 18.0 -3.3 3.4 76.8 121.4 -3.4  LEU-71   LYS-72  19.2 21.4 -1.8 13.9 15.5 106.1 -1.3  LYS-72   ASN-73  19.4 20.5 -6.4 -6.3 76.8 146.2 -8.1  ASN-73   GLU-74  22.9 17.7 -3.2 5.5 110.3 151.2 4.6  GLU-74   LEU-75  21.9 19.7 13.7 -47.3 129.3 66.4 -19.2  LEU-75   GLY-76  19.3 22.5 48.1 120.3 143.9 87.2 260.9  GLY-76   ALA-77  21.5 21.2 69.3 -20.8 84.9 137.8 -66.3  ALA-77   GLY-78  24.5 23.1 -168.7 -15.0 97.3 42.1 -89.2  GLY-78   ILE-79  22.7 22.3 -160.9 19.8 29.8 46.0 172.9  ILE-79   ALA-80  21.6 21.4 6.4 -3.1 122.8 116.9 -1.2 Graph shows rotational transition at bending residues and can be used to identify hinge bending residues. Probably only informative for interdomain rotations greater than 20 degrees