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-76   LYS-77  6.7 6.6 29.5 -30.2 86.9 66.5 1.5
 LYS-77   ASP-78  3.2 3.5 26.7 -21.5 143.6 128.9 -0.4
 ASP-78   THR-79  2.5 1.3 108.7 7.5 143.6 133.7 -58.5
 THR-79   ASP-80  3.7 3.7 7.4 -12.8 85.4 147.4 5.2
 ASP-80   SER-81  4.0 2.9 34.3 -15.4 103.2 132.4 -7.2
 SER-81   GLU-82  2.3 0.8 -162.2 -72.4 12.0 41.4 166.3
 GLU-82   GLU-83  1.5 2.1 45.0 8.2 116.3 114.5 -15.4

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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