Redox-Sensing Transcriptional Repressor Rex 1

(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
 LEU-77   GLY-78  4.3 3.5 6.2 -13.4 125.1 118.8 9.5
 GLY-78   VAL-79  1.3 0.6 18.5 45.2 65.9 64.3 76.2
 VAL-79   LYS-80  1.5 2.2 -7.7 -2.9 123.5 77.1 -5.2
 LYS-80   LYS-81  3.4 5.2 -4.5 -11.9 62.6 38.4 26.3
 LYS-81   GLU-82  5.9 5.2 -14.3 -24.0 107.5 104.0 -19.6
 GLU-82   TRP-83  9.0 8.3 12.9 -16.4 132.8 133.1 3.5

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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