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  9.6 9.6 26.1 14.6 85.5 74.8 16.0
 ARG-238   THR-239  6.4 7.0 -11.4 30.9 142.8 108.3 9.0
 THR-239   ARG-240  3.7 3.3 8.2 41.4 40.2 10.9 37.2
 ARG-240   VAL-241  3.9 2.9 46.6 175.2 41.5 59.5 -77.4
 VAL-241   ARG-242  1.8 1.1 47.8 73.2 22.0 30.6 85.4
 ARG-242   LYS-243  2.2 1.6 10.4 -1.0 49.6 42.0 7.2
 LYS-243   SER-244  1.1 0.9 8.5 -8.1 33.9 37.1 2.6
 SER-244   ILE-245  2.7 2.2 -0.5 1.1 71.6 76.4 4.2

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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