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
 ARG-74   LYS-75  29.0 29.5 -31.3 87.8 31.4 28.6 -98.4
 LYS-75   MET-76  27.8 27.9 -101.5 12.7 36.3 47.2 154.3
 MET-76   LYS-77  28.9 30.1 -18.6 -9.4 29.6 98.1 19.1
 LYS-77   ASP-78  30.2 33.3 -74.1 -42.9 61.0 85.2 76.2
 ASP-78   THR-79  28.1 33.3 -39.0 110.4 59.2 10.0 -108.5
 THR-79   ASP-80  28.7 35.1 159.5 -18.5 142.2 135.8 -199.0
 ASP-80   SER-81  27.5 32.0 -154.1 17.4 96.1 89.5 18.8
 SER-81   GLU-82  24.5 29.6 114.7 -57.9 142.0 125.5 -104.7
 GLU-82   GLU-83  25.7 29.1 -124.1 -11.6 96.1 109.9 253.4
 GLU-83   GLU-84  26.3 27.9 -170.0 18.0 107.9 79.0 4.1
 GLU-84   ILE-85  23.0 24.2 -10.0 10.0 43.6 17.9 -4.9
 ILE-85   ARG-86  21.0 24.1 1.9 -16.1 130.4 128.4 18.6
 ARG-86   GLU-87  23.1 25.8 -0.3 2.2 110.4 101.1 -2.9
 GLU-87   ALA-88  22.7 23.8 -3.7 -2.8 84.1 65.7 -0.3
 ALA-88   PHE-89  18.9 20.6 -2.4 9.5 21.2 8.3 -12.9
 PHE-89   ARG-90  19.2 21.7 1.3 -10.2 94.6 101.4 -1.2
 ARG-90   VAL-91  22.1 22.6 -5.0 -10.2 107.3 97.4 -7.7
 VAL-91   PHE-92  19.9 19.2 -3.1 23.9 37.8 31.7 -31.2
 PHE-92   ASP-93  18.6 17.8 -59.7 6.4 40.9 43.8 86.1
 ASP-93   LYS-94  21.9 20.6 -12.5 -14.1 94.9 105.6 -3.6

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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