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  7.0 6.4 36.0 -36.8 90.2 68.6 -6.1
 LYS-77   ASP-78  4.0 4.0 23.1 4.9 140.6 122.8 -11.5
 ASP-78   THR-79  2.0 1.1 -162.7 -57.0 27.0 41.2 -81.5
 THR-79   ASP-80  4.2 2.1 30.9 -34.8 95.0 137.7 1.8
 ASP-80   SER-81  5.4 1.9 70.9 -41.9 103.1 113.1 -6.6
 SER-81   GLU-82  3.5 3.0 74.9 -4.2 170.2 165.2 207.9
 GLU-82   GLU-83  2.1 1.6 2.7 4.1 126.5 121.5 -2.4

Downloading Image

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