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  10.2 10.3 15.6 -61.4 100.8 93.8 16.2
 ARG-238   THR-239  7.8 7.0 -8.4 6.5 78.0 36.2 1.5
 THR-239   ARG-240  4.0 4.5 26.4 -68.7 169.4 138.5 35.2
 ARG-240   VAL-241  3.9 4.5 -38.1 175.2 75.6 40.4 -83.2
 VAL-241   ARG-242  0.9 2.2 -78.7 -80.1 24.5 22.7 121.7
 ARG-242   LYS-243  1.7 2.8 -15.0 26.6 38.0 49.2 -5.2
 LYS-243   SER-244  0.1 0.9 9.7 -13.3 144.9 146.7 5.0

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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