Catabolite Gene Activator 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
 LEU-124   GLN-125  11.2 11.1 3.2 3.7 100.2 100.2 -8.0
 GLN-125   VAL-126  10.7 11.0 2.0 -3.1 127.1 126.0 1.1
 VAL-126   THR-127  8.6 8.8 -3.1 16.4 111.8 114.0 90.5
 THR-127   SER-128  6.7 6.6 -1.2 2.3 132.9 123.0 -11.5
 SER-128   GLU-129  5.8 6.1 -6.4 3.0 62.3 56.5 50.6
 GLU-129   LYS-130  5.7 5.7 -11.5 1.8 71.0 76.9 -23.0

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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