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
 THR-70   MET-71  12.1 12.1 -13.5 7.9 39.0 37.4 1.1
 MET-71   MET-72  11.8 11.4 15.1 -19.2 135.0 124.9 0.4
 MET-72   ALA-73  12.0 11.2 -13.6 4.7 98.7 109.7 2.5
 ALA-73   ARG-74  9.7 9.6 89.5 -134.9 104.1 90.4 8.1
 ARG-74   LYS-75  6.8 6.1 159.3 -17.9 168.4 135.2 -83.5
 LYS-75   MET-76  7.5 4.7 36.6 88.5 112.8 67.8 34.0
 MET-76   LYS-77  7.6 3.2 102.7 -134.4 84.4 129.8 7.1
 LYS-77   ASP-78  4.8 2.6 167.6 -8.4 130.2 128.7 115.7
 ASP-78   THR-79  2.5 2.5 9.4 -36.2 162.3 154.0 17.4
 THR-79   ASP-80  4.1 4.0 176.5 147.9 97.8 93.6 2.6

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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