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-75   MET-76  10.1 11.9 -9.1 -5.7 91.0 99.3 3.3
 MET-76   LYS-77  6.8 8.2 -167.4 87.3 29.7 32.1 129.7
 LYS-77   ASP-78  4.4 7.4 165.2 25.4 85.8 99.5 -57.0
 ASP-78   THR-79  0.8 9.7 -47.8 12.3 83.0 124.4 -63.0
 THR-79   ASP-80  4.4 8.5 142.8 12.8 47.3 113.5 -47.8
 ASP-80   SER-81  7.1 5.3 157.2 91.2 27.2 138.2 15.8
 SER-81   GLU-82  8.2 7.2 179.3 -8.1 65.6 73.6 113.8
 GLU-82   GLU-83  11.0 10.3 -1.1 -0.1 117.3 113.2 0.8

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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