Ccaat/enhancer Binding Protein Alpha

(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
 LEU-317   THR-318  1.6 2.0 -10.0 6.5 65.3 66.3 -1.9
 THR-318   SER-319  2.8 2.3 -27.4 14.6 23.7 30.8 48.6
 SER-319   ASP-320  2.1 2.2 11.0 -8.4 79.8 81.9 29.8

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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