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-77   ASP-78  3.1 3.3 -9.1 3.9 45.9 61.5 3.1
 ASP-78   THR-79  4.1 5.4 17.4 -32.4 153.3 163.3 10.8
 THR-79   ASP-80  3.2 4.0 -147.7 -46.5 90.5 87.7 -7.3
 ASP-80   SER-81  1.3 0.6 176.9 6.5 95.3 113.0 100.7
 SER-81   GLU-82  2.7 4.0 31.6 -16.1 162.7 172.5 -6.5

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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