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  34.2 34.6 -3.5 -14.5 116.4 103.0 -13.3
 ILE-237   ARG-238  33.7 33.4 -14.1 -29.9 166.1 163.6 -310.8
 ARG-238   THR-239  33.4 33.0 -8.2 2.8 116.1 116.8 43.0
 THR-239   ARG-240  33.3 30.6 -7.7 28.0 119.1 124.4 54.6
 ARG-240   VAL-241  29.8 28.4 8.8 30.9 28.3 8.5 295.1
 VAL-241   ARG-242  28.8 28.4 -8.2 -13.5 103.5 100.4 6.6
 ARG-242   LYS-243  25.2 24.7 -8.1 19.2 130.8 128.1 73.1
 LYS-243   SER-244  23.7 23.7 -8.7 11.6 122.6 122.6 12.8

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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