Proline Utilization Transcription Activator

(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
 CYS-60   GLU-61  4.8 4.6 3.1 -5.9 60.8 53.9 -0.5
 GLU-61   TYR-62  2.6 2.5 -14.2 8.6 150.1 149.4 -1.1
 TYR-62   LEU-63  1.6 2.3 -65.5 42.6 127.5 122.3 -8.4
 LEU-63   GLU-64  0.7 1.1 -9.0 36.7 128.5 154.2 25.3
 GLU-64   PRO-65  2.4 2.2 -0.4 -8.2 146.3 144.3 -1.2
 PRO-65   SER-66  2.1 0.9 -20.5 66.7 136.8 131.5 23.8
 SER-66   LYS-67  0.7 1.9 76.5 1.4 31.6 40.8 47.3
 LYS-67   LYS-68  2.5 3.0 -15.0 40.5 149.9 140.0 14.3
 LYS-68   ILE-69  1.5 0.8 -13.6 10.9 138.3 146.3 3.4

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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