Urokinase-Type Plasminogen Activator

(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
 GLU-43   ILE-44  1.4 1.2 -19.5 25.7 132.3 137.8 69.9
 ILE-44   ASP-45  0.5 0.8 -5.8 -1.0 129.9 132.6 -15.2
 ASP-45   LYS-46  3.0 3.0 -8.6 6.7 150.3 150.2 4.7

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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