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
 PRO-236   ILE-237  34.7 34.6 -1.9 -5.1 113.8 107.3 -17.8
 ILE-237   ARG-238  33.8 33.5 -10.7 -32.8 159.8 158.5 -300.6
 ARG-238   THR-239  33.9 33.5 -13.8 2.4 122.5 122.9 -82.6
 THR-239   ARG-240  34.0 31.4 0.4 15.7 56.7 54.9 129.1
 ARG-240   VAL-241  30.6 29.3 -3.1 43.0 155.3 176.1 267.6
 VAL-241   ARG-242  30.1 29.6 -8.6 -1.4 106.8 105.9 19.5
 ARG-242   LYS-243  26.7 26.1 -6.4 18.9 135.7 127.6 84.6
 LYS-243   SER-244  25.2 25.1 -7.0 8.7 126.9 128.7 18.0

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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