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  9.9 10.1 -15.9 60.7 94.4 103.4 18.6
 ARG-238   THR-239  6.7 7.9 -16.2 21.0 143.3 104.2 2.9
 THR-239   ARG-240  4.1 4.1 32.6 -6.8 40.7 0.9 20.3
 ARG-240   VAL-241  4.3 3.3 47.7 -171.8 41.0 66.1 -71.9
 VAL-241   ARG-242  2.1 0.8 75.6 75.0 22.5 28.4 110.4
 ARG-242   LYS-243  2.6 1.8 11.6 -13.6 49.2 40.9 -0.7
 LYS-243   SER-244  1.0 0.5 21.0 -22.0 33.8 30.5 1.8
 SER-244   ILE-245  3.1 2.5 -2.1 9.8 71.5 79.1 3.9

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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