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  35.0 34.7 17.3 -54.3 20.5 19.1 -333.2
 ARG-238   THR-239  34.6 34.1 -15.0 16.6 109.1 112.0 -21.4
 THR-239   ARG-240  33.7 31.6 34.1 -29.3 52.0 49.6 36.6
 ARG-240   VAL-241  30.1 29.3 -12.3 42.9 148.0 164.2 222.8
 VAL-241   ARG-242  29.0 29.0 -2.5 -13.6 104.8 99.4 -29.0
 ARG-242   LYS-243  25.7 25.3 25.3 2.0 41.8 45.1 255.2
 LYS-243   SER-244  24.2 23.9 -21.6 33.6 119.0 117.5 79.6

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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