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  9.5 9.2 -6.0 38.5 94.6 99.9 10.9
 ARG-238   THR-239  6.2 6.8 -0.5 13.3 144.4 112.7 4.4
 THR-239   ARG-240  3.7 3.1 13.6 49.7 41.4 4.0 53.2
 ARG-240   VAL-241  3.8 2.6 34.7 -175.4 39.9 64.3 -83.7
 VAL-241   ARG-242  1.6 1.1 51.4 80.5 23.5 25.7 95.1
 ARG-242   LYS-243  2.2 1.5 16.8 -22.7 48.3 38.0 4.5
 LYS-243   SER-244  0.9 0.5 0.8 -4.8 34.1 31.8 -1.5

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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