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
 GLY-101   THR-102  3.9 3.6 18.6 -24.2 134.7 139.1 -33.3
 THR-102   LYS-103  3.2 3.4 14.7 -13.5 136.0 128.7 -65.2
 LYS-103   LEU-104  2.1 2.1 1.6 -22.3 132.4 131.2 58.0
 LEU-104   GLU-105  1.4 1.6 -24.7 2.3 36.1 30.5 29.8
 GLU-105   ILE-106  0.4 0.4 -13.2 12.7 50.7 49.5 -79.5

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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