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-252   GLN-253  8.5 8.7 -4.5 -13.1 84.0 75.7 -30.3
 GLN-253   ASP-254  10.7 10.5 6.3 4.6 99.3 113.2 12.4
 ASP-254   VAL-255  8.2 7.9 7.9 10.5 47.7 50.0 82.5
 VAL-255   LEU-256  5.8 5.6 -24.2 4.6 144.2 124.5 -93.8
 LEU-256   ALA-257  8.6 8.6 20.2 -22.1 102.5 120.5 -17.0
 ALA-257   GLU-258  11.1 10.5 1.9 10.6 88.0 100.8 -4.6
 GLU-258   GLU-259  12.0 11.4 44.2 -29.0 151.6 164.8 -64.9
 GLU-259   SER-260  12.9 9.8 -159.4 133.8 47.7 82.8 61.3
 SER-260   THR-261  9.6 7.0 -133.7 130.0 95.5 118.6 32.0
 THR-261   ARG-262  8.7 8.6 -23.3 68.9 129.7 141.6 200.6
 ARG-262   ARG-263  5.8 5.5 3.4 1.4 46.1 38.9 14.5
 ARG-263   MET-264  5.8 6.0 -39.7 11.9 144.8 140.9 -144.6

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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