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  2.5 6.1 57.3 -37.5 132.5 160.9 -10.0
 ASP-78   THR-79  3.3 5.0 -179.1 2.3 20.7 85.8 79.8
 THR-79   ASP-80  3.0 5.9 -20.6 -14.8 84.4 70.1 -2.5
 ASP-80   SER-81  1.7 3.0 127.8 10.5 95.7 56.3 72.4
 SER-81   GLU-82  2.6 0.8 33.7 -42.1 162.2 116.9 -198.9
 GLU-82   GLU-83  3.0 2.6 36.9 14.1 131.0 131.5 190.2

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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