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
 LEU-71   MET-72  17.5 17.6 -0.6 12.6 156.7 158.5 55.6
 MET-72   ASN-73  19.9 19.6 -6.8 -3.1 113.9 116.9 -45.3
 ASN-73   PHE-74  21.2 21.0 1.5 -1.8 76.3 84.0 10.1
 PHE-74   PHE-75  17.9 17.9 7.0 -1.6 24.5 30.7 12.9
 PHE-75   ALA-76  16.5 16.2 -11.7 12.5 135.6 143.8 -12.1
 ALA-76   GLU-77  19.8 19.2 -6.2 -3.9 104.3 97.3 -56.6
 GLU-77   ILE-78  19.8 19.7 21.4 -4.5 61.8 73.9 89.4
 ILE-78   LEU-79  16.2 16.2 -13.3 17.7 160.0 170.6 -3.2
 LEU-79   ASN-80  16.4 16.2 -21.2 -156.7 124.2 124.0 564.4
 ASN-80   ASP-81  19.7 19.6 -29.1 -9.3 111.0 81.2 161.9
 ASP-81   HIS-82  21.3 19.4 66.1 -60.0 89.0 41.6 -38.0
 HIS-82   SER-83  24.8 20.2 165.9 37.0 31.8 67.7 -826.9

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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