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 9.9 13.3 34.7 85.6 71.9 17.9
 ARG-238   THR-239  6.6 7.4 -12.3 9.1 144.2 103.2 2.3
 THR-239   ARG-240  4.2 3.6 -6.4 32.2 138.6 174.2 21.2
 ARG-240   VAL-241  4.2 3.2 44.0 178.6 40.0 74.2 -83.6
 VAL-241   ARG-242  1.9 0.3 92.8 78.2 23.3 18.0 128.9
 ARG-242   LYS-243  2.6 1.8 22.4 -32.7 48.5 45.7 -7.4
 LYS-243   SER-244  0.8 0.3 8.8 -0.8 34.0 34.3 4.3

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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