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
 GLU-67   PHE-68  8.2 8.2 -5.0 -1.9 115.8 121.6 0.8
 PHE-68   LEU-69  5.5 5.4 -17.1 12.6 142.6 125.6 -1.9
 LEU-69   THR-70  3.6 3.4 -17.4 5.7 145.1 144.4 -6.2
 THR-70   MET-71  6.7 6.5 -7.0 -4.5 115.1 138.3 214.9
 MET-71   MET-72  6.6 6.1 2.7 -11.5 64.7 67.2 -4.7
 MET-72   ALA-73  3.1 2.5 -0.8 -0.3 149.5 123.6 0.4
 ALA-73   ARG-74  3.1 2.8 13.5 -0.7 43.4 26.3 5.7
 ARG-74   LYS-75  5.8 4.6 -26.1 -2.0 102.0 125.0 -11.7
 LYS-75   MET-76  5.6 3.1 19.8 90.3 30.5 68.1 -157.0
 MET-76   LYS-77  3.3 0.8 -153.5 -40.8 91.7 150.4 101.3

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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