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  14.1 13.8 32.9 -49.0 91.7 91.6 -5.0
 ARG-238   THR-239  11.0 10.8 -16.8 -1.4 151.5 145.9 -37.2
 THR-239   ARG-240  9.8 9.2 -1.4 -18.6 90.0 74.8 18.5
 ARG-240   VAL-241  6.7 5.7 10.4 -16.1 99.6 77.2 -18.7
 VAL-241   ARG-242  3.2 3.0 12.0 62.5 39.8 55.1 93.7
 ARG-242   LYS-243  1.3 0.9 3.7 -38.6 92.9 111.6 10.2
 LYS-243   SER-244  3.3 3.3 48.9 -7.0 49.1 36.0 41.6
 SER-244   ILE-245  4.5 4.3 -0.4 -12.6 131.5 132.9 -9.2

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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