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  9.5 9.5 27.1 -42.4 81.5 78.2 -3.8
 LYS-77   ASP-78  7.3 6.6 -3.5 -5.2 54.7 59.0 6.4
 ASP-78   THR-79  4.3 3.5 -160.2 -43.1 14.2 6.5 -111.6
 THR-79   ASP-80  5.9 1.9 167.8 -30.7 98.7 109.0 153.1
 ASP-80   SER-81  7.4 3.5 -153.9 -3.9 89.8 43.9 -58.3
 SER-81   GLU-82  5.0 4.3 -159.3 0.9 25.0 33.2 118.0
 GLU-82   GLU-83  3.1 2.6 13.4 -17.0 136.8 121.7 -2.3

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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