DNA Polymerase IV

(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
 LYS-243   ILE-244  2.3 2.3 1.0 -2.5 144.3 142.4 -2.8
 ILE-244   PRO-245  4.8 4.8 8.4 -34.0 146.3 145.5 80.7
 PRO-245   HIS-246  3.3 3.5 -7.5 6.1 47.3 39.2 3.8
 HIS-246   GLY-247  3.0 3.9 -13.5 41.1 26.7 37.6 -112.4
 GLY-247   ARG-248  2.7 3.4 -44.9 18.9 48.4 33.1 63.1
 ARG-248   ILE-249  4.4 4.2 -7.9 0.2 45.8 47.8 1.7
 ILE-249   VAL-250  5.2 5.0 49.8 -57.4 148.5 151.6 51.4
 VAL-250   THR-251  5.1 5.1 -7.1 -7.6 45.8 55.8 43.2

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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