Chemotaxis Protein Chea

(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
 PRO-538   LEU-539  5.2 5.5 25.2 -20.6 59.8 59.5 4.3
 LEU-539   THR-540  5.1 4.8 38.2 -12.4 102.8 98.6 6.9
 THR-540   LEU-541  2.5 2.5 -62.4 -29.4 54.0 24.4 58.6
 LEU-541   ALA-542  1.0 2.6 31.9 -2.2 60.7 101.1 9.5
 ALA-542   ILE-543  3.9 4.2 -60.3 29.4 95.1 78.8 13.9
 ILE-543   ILE-544  6.7 7.4 17.2 3.4 80.4 95.7 5.6

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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