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
 ASP-231   GLU-232  34.5 34.7 -8.7 14.9 138.7 141.7 56.3
 GLU-232   TYR-233  36.0 36.1 -36.0 24.4 144.4 140.3 -88.5
 TYR-233   ASN-234  33.5 33.4 -8.4 -8.4 121.0 103.3 37.3
 ASN-234   GLU-235  34.7 35.2 -96.2 94.6 141.9 160.2 -71.4
 GLU-235   ALA-236  32.8 33.6 5.7 6.4 72.3 80.0 -4.7
 ALA-236   ILE-237  34.6 35.4 14.2 2.9 94.1 83.8 -4.5
 ILE-237   ARG-238  34.4 34.3 -3.7 -4.6 160.8 166.8 -58.3
 ARG-238   THR-239  34.1 33.4 -33.5 -4.6 118.4 109.1 -195.9
 THR-239   ARG-240  33.0 30.8 12.9 1.1 74.1 55.2 5.0
 ARG-240   VAL-241  29.3 28.4 16.5 27.0 28.7 16.2 327.5
 VAL-241   ARG-242  28.4 27.8 -7.0 -4.7 97.2 94.3 -34.4
 ARG-242   LYS-243  24.9 24.0 4.0 10.4 45.2 50.2 122.5
 LYS-243   SER-244  22.8 22.6 1.2 7.5 63.9 65.2 65.1

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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