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
 TYR-233   ASN-234  20.7 21.7 8.4 -19.0 140.2 137.1 4.5
 TYR-233   ASN-234  20.7 21.7 8.4 -19.0 140.2 137.1 4.5
 ASN-234   GLU-235  18.0 18.8 29.7 -20.6 69.4 68.6 -3.2
 GLU-235   PRO-236  14.9 15.7 6.3 -16.3 130.8 132.0 5.2
 PRO-236   ILE-237  12.1 13.0 5.2 27.0 82.7 77.9 4.0
 ILE-237   ARG-238  9.0 9.6 11.8 21.1 85.9 70.6 12.3
 ARG-238   THR-239  5.9 7.4 -2.6 26.6 144.6 114.2 13.1
 THR-239   ARG-240  3.2 3.8 1.6 45.4 41.9 13.0 34.1
 ARG-240   VAL-241  3.6 3.4 37.9 -172.2 39.6 61.3 -75.9
 VAL-241   ARG-242  2.0 1.8 59.6 72.6 23.5 35.6 91.5
 ARG-242   LYS-243  2.2 1.2 20.0 -22.2 48.4 34.2 3.0
 LYS-243   SER-244  2.0 1.0 -11.9 12.5 146.3 145.8 2.3

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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