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
 GLY-78   VAL-79  9.3 8.9 -9.6 -19.4 71.4 66.6 37.2
 VAL-79   LYS-80  7.3 7.0 -152.0 31.6 14.5 18.9 387.9
 LYS-80   LYS-81  8.8 5.3 -156.6 -44.8 80.3 40.4 -350.6
 LYS-81   GLU-82  7.6 8.6 -139.9 31.6 85.0 96.2 29.8
 GLU-82   TRP-83  11.1 11.5 -4.3 24.8 102.4 102.3 18.4

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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