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
 THR-110   VAL-111  2.0 2.2 -13.5 6.8 12.6 21.0 67.9
 VAL-111   SER-112  2.0 2.0 36.8 -26.0 106.8 99.4 16.8
 SER-112   SER-113  2.0 2.0 33.1 -23.4 160.1 162.2 -19.4

Downloading Image

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