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  10.2 10.3 1.5 -3.3 83.3 80.1 2.4
 PHE-68   LEU-69  6.8 6.8 -7.1 -0.2 159.4 153.4 -1.5
 LEU-69   THR-70  5.9 5.8 -21.3 10.0 124.4 139.2 -6.7
 THR-70   MET-71  9.0 8.6 -4.1 1.2 84.8 99.6 -3.6
 MET-71   MET-72  8.4 8.2 -9.8 1.3 123.5 115.9 -1.9
 MET-72   ALA-73  5.1 4.7 -2.3 5.5 169.3 161.8 2.5
 ALA-73   ARG-74  6.2 4.7 5.6 7.4 76.2 50.1 2.5
 ARG-74   LYS-75  9.6 7.6 -19.1 -7.8 81.3 104.2 1.8
 LYS-75   MET-76  8.8 6.9 10.2 84.9 30.9 46.4 52.8
 MET-76   LYS-77  8.0 3.7 176.0 -1.4 55.7 22.5 -103.0
 SER-81   GLU-82  5.2 7.7 53.8 15.1 76.5 84.7 42.8
 GLU-82   GLU-83  8.3 7.7 177.4 18.5 69.4 144.3 25.0
 GLU-83   GLU-84  8.4 6.9 178.3 16.5 143.6 141.0 101.8
 GLU-84   ILE-85  9.1 7.8 -16.5 14.9 79.1 86.5 1.9

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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