Transcriptional Regulator (Ntrc Family)

(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-121   ARG-122  4.9 4.8 2.6 2.5 51.8 47.5 22.1
 ARG-122   LYS-123  7.3 7.2 -6.9 -2.8 83.8 84.1 7.2
 LYS-123   GLU-124  10.3 10.2 4.0 -4.1 69.9 81.4 -29.5
 GLU-124   ASN-125  10.0 9.8 -1.9 -3.7 174.3 168.0 -73.5
 ASN-125   GLU-126  9.2 9.1 10.7 -5.7 70.6 65.3 71.1
 GLU-126   LEU-127  12.2 11.8 6.9 -5.4 97.5 100.6 33.6
 LEU-127   LEU-128  14.5 14.2 -1.1 0.3 129.3 120.2 -1.5
 LEU-128   ARG-129  14.1 13.9 -0.7 5.5 158.6 164.9 36.7
 ARG-129   ARG-130  14.0 13.6 -0.1 -3.9 93.3 96.9 -15.4

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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