H-2 Class I Histocompatibility Antigen, K-B 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
 ALA-177   THR-178  28.4 28.1 -34.0 74.3 119.1 101.1 62.6
 THR-178   LEU-179  25.0 24.9 -30.4 -11.4 90.6 104.8 -99.1
 LEU-179   PRO-180  22.4 22.3 -160.7 -34.9 154.4 153.1 885.3
 PRO-180   ARG-181  20.9 23.8 -36.7 -64.0 95.3 135.0 -413.0
 ARG-181   THR-182  22.7 23.3 -25.5 -75.9 136.8 124.9 -410.4
 THR-182   ASP-183  21.2 21.1 21.3 20.4 29.7 46.3 171.2

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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