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  10.0 9.9 8.2 31.3 85.9 73.4 16.0
 ARG-238   THR-239  6.7 7.4 -7.4 7.1 143.8 108.7 0.9
 THR-239   ARG-240  4.2 3.7 -11.2 53.0 138.7 173.9 33.6
 ARG-240   VAL-241  4.3 3.5 56.0 172.2 40.4 74.7 -82.0
 VAL-241   ARG-242  2.0 0.7 82.9 72.9 22.8 26.0 117.4
 ARG-242   LYS-243  2.6 1.9 14.6 -26.7 49.0 41.9 -5.8
 LYS-243   SER-244  0.9 0.2 -1.1 1.7 146.4 146.9 1.6

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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