Calcium-Gated Potassium Channel Mthk

(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
 VAL-228   ILE-229  4.6 4.9 14.0 -13.9 102.7 106.7 34.5
 ILE-229   SER-230  1.9 2.8 5.9 -1.6 143.2 139.1 -23.8
 SER-230   PRO-231  4.6 5.6 -21.1 -10.6 63.5 55.0 91.1

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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