Potassium Channel

(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
 ARG-25   LEU-26  27.2 27.3 7.0 -5.5 123.1 124.3 16.4
 LEU-26   GLY-27  29.7 29.7 17.7 -64.2 113.1 113.5 108.1
 TRP-33   LEU-34  22.9 16.0 3.5 -2.8 104.0 119.7 25.7
 LEU-34   ASP-35  20.1 12.6 -1.8 -0.1 144.5 105.9 -18.3
 ASP-35   ASP-36  20.3 13.6 9.1 47.7 68.0 139.7 -14.2
 ASP-36   HIS-37  17.1 15.1 -104.0 -3.9 49.7 56.3 294.7
 HIS-37   TYR-38  15.0 12.1 3.0 -8.0 74.2 57.8 -14.9
 TYR-38   HIS-39  11.5 10.7 -8.7 -1.1 126.0 111.8 0.3
 HIS-39   ASP-40  12.6 13.9 17.8 -33.2 123.8 134.2 41.5
 ASP-40   LEU-41  14.9 15.6 2.5 -38.2 126.8 120.9 90.6
 LEU-41   LEU-42  12.2 12.9 -18.3 0.7 118.7 112.9 -10.4

Downloading Image

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


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
 LEU-130   ILE-131  5.1 5.0 1.9 -7.7 98.6 104.0 42.7
 ILE-131   TYR-132  6.3 6.1 9.0 -4.9 145.4 147.3 -13.7
 TYR-132   ALA-133  4.7 4.5 3.1 -0.6 151.5 144.5 -24.1
 ALA-133   ARG-134  4.2 3.9 2.3 17.0 107.8 109.4 -30.9

Downloading Image

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