Germline Antibody 36-65 Fab 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
 VAL-119   SER-120  5.3 5.1 18.3 4.3 64.6 77.8 148.7
 SER-120   SER-121  6.3 6.6 18.5 2.3 12.4 15.0 182.9
 SER-121   ALA-122  6.9 8.4 -43.7 21.8 107.4 108.2 -174.1
 ALA-122   LYS-123  8.1 8.9 -21.4 17.8 110.5 114.9 -54.2
 LYS-123   THR-124  7.7 8.4 0.6 4.6 114.5 117.2 15.7

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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