Immunoglobulin G1 (Igg1)

(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
 VAL-113   THR-114  3.1 2.0 7.8 3.6 47.4 29.3 21.3
 THR-114   VAL-115  1.4 2.1 -49.3 34.4 98.9 98.3 -37.5
 VAL-115   SER-116  5.0 5.3 14.0 111.1 93.9 54.7 15.1
 SER-116   SER-117  8.5 7.6 64.2 -169.7 136.4 99.8 111.7
 SER-117   ALA-118  9.3 11.4 140.8 144.3 114.6 97.0 26.4
 ALA-118   SER-119  8.5 12.1 -7.6 22.6 23.5 12.0 -10.5
 SER-119   THR-120  10.0 14.0 -34.0 92.1 61.0 64.3 -77.0

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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