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-78   ASP-79  2.7 2.4 44.0 -56.9 148.8 165.3 10.3
 ASP-79   THR-80  4.1 2.2 -23.9 19.7 59.7 74.1 6.5
 THR-80   ASP-81  1.2 4.3 170.8 -52.2 71.0 77.9 17.3
 ASP-81   SER-82  4.0 5.2 -133.4 -12.6 76.2 76.5 85.8

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