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
 ASN-234   GLU-235  18.4 19.0 5.1 7.1 69.6 67.9 -0.1
 GLU-235   PRO-236  15.3 16.0 7.3 -12.3 131.4 134.8 3.1
 PRO-236   ILE-237  12.4 13.2 0.2 19.4 83.8 82.9 6.2
 ILE-237   ARG-238  9.5 9.9 18.7 19.6 85.9 74.0 12.1
 ARG-238   THR-239  6.3 7.3 -6.3 25.6 143.5 105.7 10.5
 THR-239   ARG-240  3.7 3.6 -0.8 47.8 138.9 172.2 32.9
 ARG-240   VAL-241  3.8 3.1 43.3 -176.7 40.7 70.4 -76.3
 VAL-241   ARG-242  1.7 1.2 66.9 72.2 22.5 33.0 96.1
 ARG-242   LYS-243  2.2 1.4 16.8 -20.8 49.2 39.3 0.6
 LYS-243   SER-244  1.2 0.6 3.9 -1.7 33.5 32.9 3.7

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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