Protein Disulfide-Isomerase

(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-363   ILE-364  9.3 8.8 -8.0 -30.8 28.6 46.4 134.2
 ILE-364   VAL-365  8.4 7.4 -26.1 41.4 83.8 70.2 -24.3
 VAL-365   LYS-366  5.2 3.9 41.4 -32.3 164.6 171.1 -27.5
 LYS-366   SER-367  3.3 2.5 -71.0 87.4 77.6 80.5 -34.3

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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