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  10.3 10.4 2.8 37.7 86.6 71.0 14.2
 ARG-238   THR-239  7.1 8.0 -0.7 18.6 140.7 105.5 12.0
 THR-239   ARG-240  4.3 4.3 -3.0 49.0 140.6 170.6 31.7
 ARG-240   VAL-241  4.4 3.6 39.9 177.3 43.5 75.9 -87.7
 VAL-241   ARG-242  2.1 1.0 82.5 72.6 19.9 28.1 112.3
 ARG-242   LYS-243  2.5 1.5 17.3 -28.5 51.6 41.0 -1.0
 LYS-243   SER-244  0.8 0.4 10.8 -12.9 32.8 29.9 -0.1

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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