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
 GLY-246   TYR-247  23.5 23.2 -56.4 11.3 47.9 72.1 -3.9
 TYR-247   GLU-248  21.6 20.2 4.0 -8.0 69.5 64.4 -61.3
 GLU-248   ALA-249  18.5 17.6 -5.8 -0.3 131.9 138.9 6.0
 ALA-249   MET-250  19.2 18.2 12.7 3.7 112.0 107.1 -34.6
 MET-250   PHE-251  20.0 18.7 -24.3 6.4 63.1 71.4 26.3
 PHE-251   VAL-252  16.6 15.3 -12.2 14.2 136.8 138.8 17.7
 VAL-252   GLN-253  14.9 13.2 4.0 -20.9 66.3 57.0 -33.7
 GLN-253   ASP-254  17.4 15.2 15.8 5.9 124.2 118.1 -11.3
 ASP-254   VAL-255  17.6 16.0 -25.5 57.8 72.7 71.4 -29.5
 VAL-255   LEU-256  14.0 12.6 -1.3 14.9 138.0 137.3 73.7
 LEU-256   ALA-257  12.1 12.1 8.9 7.7 44.4 73.1 36.8
 ALA-257   GLU-258  15.1 15.7 -155.0 28.2 68.0 46.0 313.2
 GLU-258   GLU-259  18.0 16.9 -7.8 -105.5 40.6 41.4 -1088.1
 GLU-259   SER-260  16.5 19.9 -95.5 24.0 57.6 23.4 306.5
 SER-260   THR-261  19.8 17.9 167.9 66.8 168.9 121.2 481.3
 THR-261   ARG-262  18.4 17.8 26.7 19.4 92.3 94.0 30.1
 ARG-262   ARG-263  14.6 14.1 -46.7 42.2 152.6 153.4 -50.9
 ARG-263   MET-264  12.1 12.1 -3.3 -0.7 84.9 83.6 28.7

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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