Cetuximab Fab Light Chain

(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-104   GLU-105  6.7 6.7 0.1 4.6 91.8 89.9 -7.3
 GLU-105   LEU-106  3.8 3.6 3.9 -19.4 163.0 161.9 74.9
 LEU-106   LYS-107  1.5 1.3 1.9 -3.9 102.7 103.4 -22.2

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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