Diphtheria Toxin 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
 ASP-136   GLU-137  10.1 10.1 -3.2 8.0 122.6 124.1 -0.1
 GLU-137   LEU-138  12.7 12.5 8.6 -13.3 127.2 117.3 2.2
 LEU-138   GLY-139  15.1 15.3 -19.0 41.7 66.5 65.4 -8.2
 PRO-148   GLY-149  14.8 16.7 -73.6 48.5 67.2 73.9 5.2
 GLY-149   THR-150  18.4 18.8 146.5 -112.6 41.4 41.5 25.8
 THR-150   ARG-151  21.5 21.2 25.6 -12.4 72.4 71.7 6.3

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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