G Protein Gi Beta 1

(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
 CYS-25   ALA-26  1.1 0.5 -2.9 -8.5 104.3 102.0 -28.5
 ALA-26   ASP-27  3.0 4.0 19.9 -12.7 18.7 11.4 39.5
 ASP-27   ALA-28  2.4 3.4 -13.8 21.4 102.7 101.6 7.9
 ALA-28   THR-29  6.1 7.1 -15.3 19.5 34.0 33.9 -28.1
 THR-29   LEU-30  9.1 9.9 6.1 -4.8 102.8 111.2 -2.7
 LEU-30   SER-31  11.3 11.8 3.1 -6.7 61.5 61.4 -0.3
 SER-31   GLN-32  14.2 14.9 21.4 -17.9 18.7 23.2 11.8
 GLN-32   ILE-33  13.0 13.4 24.0 -27.7 86.5 88.0 18.9
 ILE-33   THR-34  13.0 13.7 0.8 0.8 112.8 115.1 14.0
 THR-34   ASN-35  16.2 16.7 19.7 -29.4 59.1 62.0 -70.5
 ASN-35   ASN-36  17.9 18.7 17.5 0.0 61.3 63.8 45.0
 ASN-36   ILE-37  19.5 20.2 -26.0 11.7 53.8 45.0 82.9
 ILE-37   ASP-38  21.5 21.8 -28.4 13.8 81.7 84.5 24.4
 ASP-38   PRO-39  25.2 25.4 9.3 6.2 151.6 149.5 -81.6

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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