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
 ILE-237   ARG-238  9.7 9.7 -17.1 -42.4 70.1 84.3 20.9
 ARG-238   THR-239  7.4 6.5 20.0 -19.8 93.0 143.2 0.6
 THR-239   ARG-240  3.8 3.9 3.0 -58.6 164.0 140.4 48.4
 ARG-240   VAL-241  2.5 4.1 -38.6 -173.0 67.6 41.3 -87.2
 VAL-241   ARG-242  1.2 1.9 -56.5 -72.7 31.5 22.9 94.7
 ARG-242   LYS-243  1.7 2.5 -18.4 18.8 38.0 48.6 2.0
 LYS-243   SER-244  0.2 0.8 1.9 -1.6 144.5 144.9 1.7

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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