Igg Fab (Igg1, Kappa)

(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
 THR-110   VAL-111  6.4 6.1 -31.7 48.3 30.5 33.4 -40.5
 VAL-111   SER-112  7.5 8.1 19.1 -22.1 109.0 113.2 -11.2
 SER-112   SER-113  6.0 6.2 -43.2 -42.2 7.5 9.4 231.8

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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