Acid-Sensing Ion 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
 GLN-67   TYR-68  2.4 3.0 2.4 3.2 42.5 42.1 18.1
 TYR-68   TYR-69  2.7 3.7 6.2 -12.9 69.2 69.4 9.7
 TYR-69   PHE-70  1.0 0.4 20.1 -5.3 121.7 130.9 -36.4

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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