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  8.6 8.7 23.5 19.7 83.5 73.2 19.4
 ARG-238   THR-239  5.5 6.2 -8.5 29.3 144.3 110.0 11.3
 THR-239   ARG-240  2.9 2.6 6.2 46.7 39.9 13.5 39.6
 ARG-240   VAL-241  3.3 2.3 31.5 -172.8 40.2 57.9 -79.5
 VAL-241   ARG-242  1.4 1.4 45.3 77.1 24.2 27.7 87.9
 ARG-242   LYS-243  1.8 1.2 2.2 -0.3 47.3 38.2 2.1
 LYS-243   SER-244  1.3 1.0 -1.7 6.1 144.0 144.8 4.9

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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