Blood Coagulation Factor Xa

(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-82   LEU-83  5.8 5.3 24.8 -25.3 65.4 57.3 -7.9
 LEU-83   PHE-84  5.1 5.1 -37.5 17.2 55.8 61.8 45.2
 PHE-84   THR-85  6.4 6.4 21.9 -39.3 63.6 48.9 -23.9
 THR-85   ARG-86  10.1 9.9 -155.8 -55.4 108.0 86.4 169.7

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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