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
 ARG-75   LYS-76  6.9 9.6 -142.7 26.9 144.8 162.5 127.1
 LYS-76   MET-77  6.7 9.7 121.1 12.8 56.0 73.1 26.7
 MET-77   LYS-78  3.4 9.0 151.9 -6.6 65.0 6.3 -101.7
 LYS-78   ASP-79  3.2 9.9 23.8 4.6 2.8 71.2 19.2
 ASP-79   THR-80  3.7 8.4 119.6 -16.4 81.0 118.8 -8.0
 THR-80   ASP-81  6.8 11.0 73.0 81.0 112.0 172.0 -64.4
 ASP-81   SER-82  9.3 10.8 172.1 54.4 85.4 127.8 75.9
 SER-82   GLU-83  10.9 8.8 -147.8 6.8 87.5 90.7 0.3
 GLU-83   GLU-84  14.2 11.8 -9.2 6.7 64.5 65.6 -0.3

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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