Iron-Uptake System-Binding 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
 LYS-168   ALA-169  11.4 11.4 10.9 -30.7 76.7 83.7 -12.0
 ALA-169   LYS-170  8.9 8.6 3.7 6.9 121.0 128.2 -61.0
 LYS-170   ASP-171  6.8 7.1 -18.7 0.7 107.7 108.6 -39.5
 ASP-171   SER-172  7.4 7.7 10.2 -3.4 22.4 21.2 55.3
 SER-172   LYS-173  5.8 5.9 0.3 -2.3 87.9 88.3 11.0
 LYS-173   ALA-174  2.9 3.0 0.5 10.7 73.2 76.5 49.7

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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