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
 PRO-66   GLU-67  9.7 9.5 0.3 4.7 103.6 97.0 -2.3
 GLU-67   PHE-68  10.2 10.1 1.4 0.9 101.1 96.5 2.8
 PHE-68   LEU-69  6.7 6.7 7.5 -0.4 155.4 159.9 -3.3
 LEU-69   THR-70  5.8 5.8 12.7 -1.1 137.6 122.9 -6.5
 THR-70   MET-71  8.6 8.9 4.3 -3.7 97.0 83.8 -3.4
 MET-71   MET-72  8.3 8.3 3.5 8.5 118.8 124.3 -3.9
 MET-72   ALA-73  4.9 5.0 -4.2 -6.0 18.3 12.0 6.5
 ALA-73   ARG-74  4.8 6.3 -3.0 -21.3 51.8 77.7 2.9
 ARG-74   LYS-75  7.9 9.7 19.6 23.2 118.6 81.1 -2.8
 LYS-75   MET-76  7.2 8.8 -151.7 40.3 55.0 31.1 62.6
 SER-81   GLU-82  6.9 5.4 -99.3 -5.6 84.6 77.3 46.7
 GLU-82   GLU-83  6.9 8.5 177.8 -28.2 28.3 111.8 27.0
 GLU-83   GLU-84  7.0 8.4 -178.7 -7.5 136.0 142.6 104.3
 GLU-84   ILE-85  7.9 9.1 3.2 -2.9 86.4 78.1 0.9

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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