Calmodulin

(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
 LYS-76   MET-77  3.7 5.1 -28.8 49.4 136.4 136.1 12.7
 MET-77   LYS-78  4.3 4.2 -53.4 17.1 126.5 83.0 -8.0
 LYS-78   ASP-79  0.8 0.6 150.3 2.2 90.9 135.0 -74.9

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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