Elongation Factor Tu (Ef-Tu)

(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
 TYR-209   ILE-210  11.4 11.4 24.5 3.8 52.8 55.1 57.3
 ILE-210   PRO-211  8.5 8.4 12.6 -8.7 115.9 126.7 -26.4
 PRO-211   THR-212  5.8 6.3 -33.5 47.5 126.6 114.4 19.7
 THR-212   PRO-213  2.7 2.7 5.2 21.1 85.9 74.0 38.4
 PRO-213   VAL-214  5.2 4.6 -32.8 -13.1 85.3 59.4 50.2
 VAL-214   ARG-215  7.3 7.4 -73.9 94.1 151.1 142.5 39.3

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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