H-2 Class I Histocompatibility Antigen, K-D Alpha Chain

(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
 THR-182   ASP-183  1.2 1.2 49.0 -32.4 61.0 64.8 320.0
 ASP-183   SER-184  4.8 4.8 -10.2 -2.5 97.6 94.7 92.0
 SER-184   PRO-185  6.4 6.3 -2.9 16.3 69.2 78.3 -201.9

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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