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  28.3 28.5 -6.4 -41.9 152.9 143.4 -170.9
 ARG-238   THR-239  26.4 26.8 4.1 5.7 97.3 86.0 -5.8
 THR-239   ARG-240  24.9 23.8 -3.3 -0.4 93.9 121.6 -15.7
 ARG-240   VAL-241  21.1 21.2 10.3 25.7 46.6 35.1 108.5
 VAL-241   ARG-242  19.1 19.6 3.4 -35.9 101.1 99.3 9.8
 ARG-242   LYS-243  16.0 15.9 19.3 20.1 39.4 37.9 147.3
 LYS-243   SER-244  13.3 13.8 3.3 -3.6 81.0 83.4 3.1
 SER-244   ILE-245  10.2 10.7 -6.7 8.7 58.2 61.5 -3.1

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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