Transmembrane Glycoprotein Gp41

(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
 GLN-30   LEU-31  5.1 5.1 -6.6 10.7 47.0 47.6 -3.6
 LEU-31   GLN-32  1.6 1.6 -18.0 -20.7 62.1 63.0 16.6
 GLY-39   GLY-40  15.1 12.8 65.4 160.8 64.5 61.5 148.7
 GLY-40   TRP-41  13.1 13.9 5.8 -5.1 25.6 21.2 1.1
 TRP-41   MET-42  11.5 12.1 4.0 -5.2 45.3 51.3 -1.5

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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