Immunoglobulin Igg1 Heavy 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
 THR-107   LEU-108  16.8 16.7 -3.1 6.5 77.8 76.4 -19.3
 LEU-108   VAL-109  13.1 13.1 -4.5 3.2 18.0 16.3 -1.4
 VAL-109   SER-110  11.4 11.4 -18.3 15.1 86.9 86.4 -0.9
 SER-110   VAL-111  7.8 7.9 26.3 -40.7 156.4 156.4 74.4
 VAL-111   THR-112  6.2 6.0 -7.7 8.1 83.0 80.4 13.4
 THR-112   SER-113  2.8 2.5 -4.0 5.2 24.2 26.7 6.4
 SER-113   ALA-114  1.5 1.4 -1.0 5.2 105.7 105.3 7.2

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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