Probable Transcriptional Regulator

(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
 HIS-70   LEU-71  11.8 12.1 -11.3 20.5 81.3 76.5 -192.6
 LEU-71   ALA-72  15.0 15.6 -3.3 -3.5 41.8 40.5 217.6
 ALA-72   ALA-73  13.9 14.2 6.0 -12.8 85.6 86.5 176.3

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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