DNA Polymerase IV

(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
 ARG-242   LYS-243  29.7 28.8 -0.8 15.0 132.2 130.2 209.7
 LYS-243   SER-244  27.0 26.7 5.0 5.1 66.1 70.0 89.9
 SER-244   ILE-245  24.0 23.7 -2.4 -1.5 75.9 80.0 -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