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  10.5 10.5 -26.4 -17.3 71.8 84.9 16.4
 ARG-238   THR-239  8.1 7.4 3.5 -22.3 103.4 141.1 10.4
 THR-239   ARG-240  4.4 4.6 -2.2 -28.4 13.7 38.4 24.6
 ARG-240   VAL-241  3.3 4.9 -50.2 -164.9 74.8 43.3 -85.4
 VAL-241   ARG-242  0.6 2.6 -78.7 -75.2 27.9 20.9 114.5
 ARG-242   LYS-243  1.8 3.1 -32.2 34.0 41.3 50.5 -1.2
 LYS-243   SER-244  0.2 1.1 0.4 -1.9 144.4 145.6 2.3

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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