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-72   ALA-73  8.9 9.1 1.6 -3.2 112.4 120.5 -2.6
 ALA-73   ARG-74  10.2 10.4 -2.5 3.8 103.7 104.9 -2.8
 ARG-74   LYS-75  8.0 8.5 -168.4 23.1 52.1 59.0 64.3
 LYS-75   MET-76  6.3 5.1 178.3 59.4 63.1 160.8 -98.8
 MET-76   LYS-77  3.5 6.5 -171.4 19.8 46.2 82.2 83.1
 LYS-77   ASP-78  5.2 8.6 149.6 2.4 81.5 82.2 -47.0
 SER-81   GLU-82  7.2 4.6 -113.0 14.7 11.5 37.7 70.3
 GLU-82   GLU-83  8.8 7.3 0.0 -4.2 82.7 94.2 4.3
 GLU-83   GLU-84  11.2 9.6 -18.6 1.0 90.4 80.3 5.0
 GLU-84   ILE-85  9.0 8.4 10.3 -6.3 157.7 166.0 -3.8
 ILE-85   ARG-86  7.7 7.2 2.0 -2.0 123.5 117.4 -0.5
 ARG-86   GLU-87  11.3 10.6 -5.6 -3.1 100.5 98.2 1.2

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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