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  11.3 11.0 13.6 -11.2 78.9 65.0 -0.5
 ALA-73   ARG-74  9.3 9.1 12.0 -50.8 97.5 93.9 0.7
 ARG-74   LYS-75  6.3 6.3 117.9 13.7 161.8 150.1 -86.2
 LYS-75   MET-76  6.6 6.6 -170.9 -15.0 66.1 71.3 109.0
 MET-76   LYS-77  6.8 7.6 -162.8 -38.8 100.7 51.8 -27.9
 LYS-77   ASP-78  4.5 6.0 -164.3 -15.7 56.4 21.8 -83.3
 ASP-78   THR-79  1.5 6.0 170.3 -28.0 165.1 94.8 109.0
 THR-79   ASP-80  3.0 9.1 -17.2 -67.7 82.8 32.0 40.6
 ASP-80   SER-81  4.9 8.2 5.5 -31.7 88.1 111.1 -17.4
 SER-81   GLU-82  3.8 5.9 148.7 -35.8 153.4 49.1 19.8
 GLU-82   GLU-83  2.8 2.4 22.8 -36.9 136.0 106.3 8.6
 GLU-83   GLU-84  4.6 2.6 99.4 3.2 79.8 100.6 32.8

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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