DNA Polymerase IV (Family Y)

(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  17.6 17.5 -48.2 22.8 112.9 105.5 -30.4
 ILE-237   ARG-238  17.6 17.5 -48.2 22.8 112.9 105.5 -30.4
 ARG-238   THR-239  14.0 13.9 0.9 2.9 133.4 140.0 -6.6
 THR-239   ARG-240  12.4 11.5 0.3 31.4 115.3 92.8 -28.0
 ARG-240   VAL-241  9.8 9.4 -10.1 56.1 84.3 109.5 -0.8
 VAL-241   ARG-242  6.5 6.6 -14.8 -68.4 49.0 43.3 103.1
 ARG-242   LYS-243  4.4 3.9 -7.1 53.5 113.3 102.8 23.0
 LYS-243   SER-244  2.0 3.0 -59.0 20.8 46.8 62.6 41.6
 SER-244   ILE-245  1.5 1.6 5.6 13.9 139.4 138.3 -20.0

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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