Igg2a Fab Fragment (50.1)

(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-103   LEU-104  5.4 5.4 -5.8 -21.7 22.5 20.9 61.0
 LEU-104   GLU-105  3.9 4.2 -4.0 -16.7 100.8 94.7 -32.8
 GLU-105   ILE-106  0.5 0.8 -35.1 -24.5 29.2 10.4 141.6
 ILE-106   LYS-107  2.2 2.1 14.1 -12.1 114.0 110.5 -36.1
 LYS-107   ARG-108  3.3 3.5 -12.2 32.0 74.5 61.6 -36.8

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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