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
 LYS-76   MET-77  7.2 10.2 -30.1 48.8 130.9 131.4 8.5
 MET-77   LYS-78  6.6 9.1 -51.6 9.5 120.0 79.1 -3.0
 LYS-78   ASP-79  3.4 5.4 154.2 8.8 99.3 140.5 -72.7
 ASP-79   THR-80  0.8 6.5 140.1 -3.9 143.1 74.5 126.5
 THR-80   ASP-81  2.7 9.4 24.2 93.2 79.1 56.3 -84.5
 ASP-81   SER-82  5.3 7.5 166.7 49.0 17.5 127.4 38.5
 SER-82   GLU-83  7.1 6.1 -143.3 9.3 71.4 58.4 76.2
 GLU-83   GLU-84  10.5 9.3 -13.0 11.0 122.4 123.0 -1.3

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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