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
 PRO-236   ILE-237  12.0 12.4 17.0 23.7 83.1 78.5 3.6
 ILE-237   ARG-238  9.0 8.9 18.3 25.4 83.8 71.2 15.3
 ARG-238   THR-239  5.9 6.6 -14.2 24.1 144.0 104.7 5.9
 THR-239   ARG-240  3.3 2.9 -10.8 60.5 140.2 174.0 38.6
 ARG-240   VAL-241  3.6 2.4 53.6 164.4 40.5 65.5 -80.3
 VAL-241   ARG-242  1.6 1.1 57.8 81.9 23.8 27.0 97.5
 ARG-242   LYS-243  2.1 1.5 19.2 -17.7 47.7 41.6 5.7
 LYS-243   SER-244  1.0 0.6 -9.9 10.6 144.3 146.9 -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