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  8.0 10.1 82.9 -133.8 77.4 64.0 -18.8
 LYS-77   ASP-78  4.9 6.6 147.1 -100.9 127.5 69.6 6.7
 ASP-78   THR-79  4.2 5.2 -19.5 -28.1 23.0 36.9 37.7
 THR-79   ASP-80  4.3 5.1 -146.0 171.9 89.8 67.2 -5.3
 ASP-80   SER-81  3.4 3.6 134.1 -86.0 89.3 89.2 6.9
 SER-81   GLU-82  0.7 0.7 0.6 -103.2 156.7 164.9 66.5
 GLU-82   GLU-83  1.5 0.3 -150.8 136.9 52.1 60.2 -0.6

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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