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
 PRO-236   ILE-237  38.0 38.0 -2.8 -3.0 105.1 94.2 38.6
 ILE-237   ARG-238  37.1 36.9 -5.4 -34.1 163.4 159.1 -360.5
 ARG-238   THR-239  36.6 36.4 -4.9 3.6 110.1 112.2 1.5
 THR-239   ARG-240  36.0 34.0 4.9 30.3 54.6 47.8 264.0
 ARG-240   VAL-241  32.6 31.6 -15.2 43.9 129.1 163.2 135.9
 VAL-241   ARG-242  31.3 31.3 -25.9 -14.4 106.5 100.5 -102.3
 ARG-242   LYS-243  28.1 27.6 12.8 4.3 43.8 43.2 139.1
 LYS-243   SER-244  26.3 26.1 -4.5 11.6 119.6 117.5 53.7

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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