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
 GLU-239   ASN-240  19.1 18.4 -8.9 20.7 150.0 122.0 16.6
 ASN-240   LYS-241  17.9 15.9 54.7 47.3 106.9 130.8 -97.7
 LYS-241   SER-242  14.3 12.5 -18.8 -2.1 110.9 108.2 -27.1
 SER-242   LYS-243  11.0 10.6 1.1 27.1 138.7 116.2 -33.2
 LYS-243   ILE-244  9.0 6.9 129.5 -19.7 72.0 139.1 206.8
 ILE-244   PRO-245  6.0 6.4 -136.7 -75.6 81.0 83.0 29.9
 PRO-245   HIS-246  3.2 3.5 -4.0 -2.6 142.4 142.4 -7.4

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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