Calmodulin Cmd-1

(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  6.7 6.4 -47.7 -88.8 75.9 85.3 49.3
 ASP-78   THR-79  2.9 3.1 -30.4 -66.9 63.3 155.3 -65.5
 THR-79   ASP-80  2.9 3.0 37.6 -11.4 48.7 103.4 19.0
 ASP-80   SER-81  4.2 4.9 71.3 -68.0 38.0 124.2 -17.1
 SER-81   GLU-82  4.8 5.6 -44.5 -129.6 121.1 103.2 163.5
 GLU-82   GLU-83  8.2 8.8 -3.1 -4.4 132.6 137.4 -0.2

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