Apoptosis Regulator Bcl-X

(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
 MET-83   ALA-84  6.8 6.5 -10.3 6.4 146.3 147.1 -3.3
 ALA-84   ALA-85  5.3 5.4 4.9 -6.6 34.0 34.7 -0.7
 ALA-85   VAL-86  7.8 8.1 2.8 -3.8 85.0 77.9 -1.5
 VAL-86   LYS-87  8.1 8.0 -5.0 4.5 110.6 118.7 0.8

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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