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
 MET-76   LYS-77  6.6 6.6 20.0 -19.0 84.7 68.4 0.4
 LYS-77   ASP-78  3.2 3.4 1.9 -2.2 141.7 132.7 1.7
 ASP-78   THR-79  3.0 1.7 132.7 -23.5 143.6 136.3 -59.1
 THR-79   ASP-80  3.4 2.3 4.5 24.3 84.0 136.9 -0.9
 ASP-80   SER-81  3.2 2.4 0.2 -21.8 101.2 151.3 15.1
 SER-81   GLU-82  2.0 1.0 -151.9 -75.2 14.1 62.4 146.3
 GLU-82   GLU-83  1.5 1.9 54.1 4.8 115.8 122.1 -11.7

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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