Invertase/pectin Methylesterase Inhibitor Family Protein

(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
 LYS-24   PHE-25  11.7 11.6 -56.0 -101.3 107.3 106.1 164.6
 PHE-25   ALA-26  8.7 8.4 -115.3 1.1 65.5 98.7 -32.4
 ALA-26   SER-27  8.2 9.7 163.2 11.4 87.0 152.7 86.3
 SER-27   ALA-28  5.4 11.0 166.1 24.1 54.0 117.0 -49.4
 ALA-28   ASN-29  6.2 7.4 -25.6 12.3 52.8 114.1 -108.0
 ASN-29   LEU-30  7.2 6.7 -164.1 8.5 68.5 74.0 37.3
 LEU-30   GLN-31  10.6 10.3 -17.3 15.3 10.2 20.1 1.9

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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