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
 GLU-67   PHE-68  8.2 8.5 -2.0 -0.3 98.4 103.8 2.7
 PHE-68   LEU-69  4.6 4.8 -12.8 -0.7 158.1 150.8 -5.3
 LEU-69   THR-70  3.9 4.4 -14.4 3.9 128.5 145.0 -6.6
 THR-70   MET-71  6.5 6.9 -5.5 -0.8 88.2 109.2 -4.3
 MET-71   MET-72  5.9 6.1 -1.6 -1.3 121.9 115.6 -0.4
 MET-72   ALA-73  2.7 2.5 -7.2 15.0 171.7 154.5 5.8
 ALA-73   ARG-74  3.4 2.9 1.6 -4.9 71.6 43.3 -4.2
 ARG-74   LYS-75  6.9 5.0 -27.6 -16.2 83.0 99.8 -0.1
 LYS-75   MET-76  6.8 5.4 27.7 51.1 29.9 72.1 33.9
 MET-76   LYS-77  6.2 3.1 -102.6 4.1 120.5 147.3 -44.7
 SER-81   GLU-82  2.8 3.8 82.1 65.1 75.2 53.2 68.0
 GLU-82   GLU-83  6.0 5.9 -38.9 17.8 106.6 88.7 -1.0

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