Mutl

(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
 ALA-201   VAL-202  6.0 7.6 7.5 -20.6 112.3 115.4 19.4
 VAL-202   PRO-203  9.5 10.6 3.6 -6.4 165.6 155.7 11.4
 PRO-203   GLU-204  9.7 10.9 15.9 -11.3 109.0 97.8 -2.0

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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