Potassium/sodium Hyperpolarization-Activated Cyclic Nucleotide-Gated Channel 11

(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
 GLU-540   ILE-541  8.0 8.6 -13.2 14.2 34.0 38.9 36.0
 ILE-541   CYS-542  8.4 8.9 -0.5 -25.8 63.5 75.1 46.3
 CYS-542   LEU-543  4.9 5.2 102.9 -45.8 63.5 36.0 138.5
 LEU-543   LEU-544  3.8 4.5 -27.4 -22.9 81.5 70.3 51.2
 LEU-544   THR-545  7.4 6.7 48.7 -1.7 161.4 176.8 -191.9
 THR-545   LYS-546  7.3 5.8 -14.6 1.5 72.9 68.9 4.9
 LYS-546   GLY-547  4.3 3.2 10.6 -18.2 150.9 151.0 22.8
 GLY-547   ARG-548  2.9 1.1 -15.4 13.4 101.1 99.5 -8.3
 ARG-548   ARG-549  4.0 3.5 -25.2 -5.4 118.4 110.9 -51.5
 ARG-549   THR-550  7.3 6.7 16.5 -10.1 128.1 132.9 -15.6
 THR-550   ALA-551  10.2 9.7 -29.1 51.5 81.2 94.3 27.9
 ALA-551   SER-552  12.9 12.9 6.8 -17.0 51.0 52.0 -14.1
 SER-552   VAL-553  14.4 14.4 5.0 -3.9 33.0 32.4 2.2
 VAL-553   ARG-554  15.7 15.8 -3.7 9.2 108.4 107.4 9.0

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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