Ferric Uptake Regulation Protein

(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-80   LEU-81  5.7 5.7 5.9 -13.6 83.3 74.5 8.3
 LEU-81   ALA-82  8.5 8.6 -7.9 31.0 77.4 73.8 9.3
 ALA-82   ASP-83  9.1 8.9 -167.4 -103.2 44.3 26.8 -168.5
 ASP-83   SER-84  12.3 10.1 -173.8 -12.1 14.3 91.0 521.9
 SER-84   GLY-85  10.4 12.1 167.8 -11.8 112.5 134.6 -213.0
 GLY-85   HIS-86  10.0 9.9 -49.1 1.7 115.5 109.8 -81.1
 HIS-86   HIS-87  8.6 8.4 -13.5 13.2 59.1 54.9 -16.5
 HIS-87   ASP-88  5.3 5.3 28.9 -12.7 52.7 55.6 34.0

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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