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
 LYS-75   MET-76  13.2 8.5 68.4 52.2 64.4 12.7 58.9
 MET-76   LYS-77  10.4 7.6 -169.9 -10.4 72.2 99.2 0.3
 SER-81   GLU-82  3.0 0.6 -87.4 39.3 13.1 27.2 25.3
 GLU-82   GLU-83  4.9 3.3 -41.0 18.0 76.3 69.4 8.8
 GLU-83   GLU-84  6.4 5.3 -2.5 -11.3 76.5 74.2 -197.3
 GLU-84   ILE-85  4.5 4.4 21.3 -25.6 160.9 149.6 5.1
 ILE-85   ARG-86  2.7 2.4 10.8 -6.7 134.2 130.5 -0.3
 ARG-86   GLU-87  6.0 4.9 13.5 -30.9 94.0 103.4 1.9
 GLU-87   ALA-88  7.7 7.5 22.1 -1.8 120.7 112.4 -6.4
 ALA-88   PHE-89  6.1 6.6 15.7 -16.2 167.7 161.9 1.3
 PHE-89   ARG-90  5.0 5.2 7.1 -14.6 117.5 113.0 1.4
 ARG-90   VAL-91  8.7 8.8 5.4 1.7 100.7 97.6 -1.1
 VAL-91   PHE-92  9.8 10.5 4.3 -2.5 149.8 157.5 -0.6
 PHE-92   ASP-93  7.8 9.1 -0.8 11.2 39.1 47.5 -4.0
 ASP-93   LYS-94  7.9 9.2 -2.2 4.7 89.9 91.2 2.8
 LYS-94   ASP-95  11.6 12.9 -5.9 16.7 56.0 53.4 -2.5
 ASP-95   GLY-96  12.5 13.2 -20.3 1.0 104.9 112.2 -0.7
 GLY-96   ASN-97  11.7 12.5 -1.8 10.0 58.6 59.9 198.5

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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