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(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
 VAL-185   THR-186  6.3 6.1 4.6 -3.5 164.3 166.5 -2.0
 THR-186   PRO-187  7.3 7.0 -6.5 -7.3 63.4 64.9 49.0
 PRO-187   ASP-188  4.1 3.9 -8.8 -7.7 49.6 40.3 52.9
 ASP-188   ARG-189  4.6 5.2 -14.2 0.1 24.9 28.3 13.8

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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