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  24.7 25.3 -3.0 -12.5 48.1 45.6 139.3
 LYS-243   SER-244  23.5 23.3 10.9 -16.3 114.9 115.1 59.1
 SER-244   ILE-245  20.0 20.0 -2.8 -0.6 100.1 102.1 2.9

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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