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  10.4 10.5 -14.4 -23.2 70.6 85.8 17.7
 ARG-238   THR-239  8.0 7.4 4.6 -15.2 106.6 141.6 7.1
 THR-239   ARG-240  4.3 4.6 6.9 -49.6 169.6 140.5 33.9
 ARG-240   VAL-241  3.9 4.8 -38.0 174.7 68.9 42.7 -83.2
 VAL-241   ARG-242  1.2 2.5 -71.7 -69.9 33.7 21.0 106.8
 ARG-242   LYS-243  1.9 3.0 -19.6 29.2 37.4 50.6 0.7
 LYS-243   SER-244  0.6 1.1 -1.2 1.3 34.0 33.5 1.8

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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