Tubulin

(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
 TRP-21   GLU-22  7.0 7.4 -58.5 28.2 72.1 87.7 -8.4
 GLU-22   VAL-23  5.8 5.0 20.4 -12.6 60.2 73.7 -6.9
 VAL-23   ILE-24  9.1 8.3 -5.2 -5.9 169.1 173.5 -13.1
 ILE-24   SER-25  7.8 8.2 -118.0 34.7 93.0 109.7 -26.1
 SER-25   ASP-26  6.6 4.5 -149.0 91.4 159.9 91.9 -51.8
 ASP-26   GLU-27  5.0 6.4 -22.1 -108.1 85.0 131.1 311.5

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
 PRO-63   ARG-64  8.0 7.8 28.5 -15.6 104.0 96.0 10.9
 ARG-64   ALA-65  11.5 11.4 85.6 -93.0 33.6 36.3 -14.6
 ALA-65   ILE-66  12.3 12.5 -5.7 24.0 106.6 119.1 12.9

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