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
 VAL-79   LYS-80  5.9 6.4 -160.1 55.0 13.9 24.2 346.6
 LYS-80   LYS-81  7.3 4.4 -156.9 -29.2 85.2 44.2 -384.8
 LYS-81   GLU-82  7.2 7.6 -157.0 18.9 79.8 91.5 60.8
 GLU-82   TRP-83  10.5 10.6 -5.9 25.2 101.2 88.8 39.7
 TRP-83   LYS-84  13.8 13.8 -9.6 10.6 64.2 64.1 6.5

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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