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
 ILE-85   ARG-86  3.8 6.0 178.3 -70.5 29.7 67.3 53.6
 ARG-86   GLU-87  1.3 6.3 18.0 -62.4 92.3 9.7 -17.6
 GLU-87   ALA-88  3.4 4.7 -149.1 -87.1 103.4 107.3 30.7
 ALA-88   PHE-89  6.0 5.9 144.7 -24.0 17.8 26.2 -152.1
 PHE-89   ARG-90  5.5 5.3 -146.2 -89.1 123.0 118.5 86.1

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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