Redox-Sensing Transcriptional Repressor Rex

(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
 LYS-81   GLU-82  2.0 0.7 165.0 -18.2 85.8 56.2 335.3
 GLU-82   TRP-83  1.7 2.2 -0.5 -14.3 159.4 153.8 -78.2
 TRP-83   LYS-84  3.2 3.2 6.4 -3.2 69.1 67.2 17.0

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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