Guanine Nucleotide-Binding Protein G(i)

(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-32   GLU-33  1.9 2.4 23.0 -9.9 74.6 70.6 3.9
 GLU-33   VAL-34  2.5 2.5 38.4 20.7 5.8 7.5 67.8
 VAL-34   LYS-35  2.4 2.4 10.1 -15.7 71.9 62.8 7.4

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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