Citrate Synthase

(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
 GLY-255   MET-256  3.5 3.7 8.6 -29.4 72.9 78.3 -38.3
 MET-256   GLY-257  1.3 1.7 26.9 6.6 84.4 72.8 26.8
 GLY-257   HIS-258  2.7 2.7 -21.3 -7.6 44.9 39.4 77.5
 HIS-258   ARG-259  4.8 5.2 0.7 3.4 78.6 75.9 10.5

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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