Manganese-Dependent Inorganic Pyrophosphatase

(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
 LEU-185   LYS-186  4.3 4.3 -3.1 0.5 62.5 62.4 7.5
 LYS-186   ALA-187  1.6 1.6 0.3 1.4 139.1 138.9 -7.9
 ALA-187   GLY-188  2.5 2.5 2.6 8.0 73.4 72.3 23.7
 GLY-188   ALA-189  4.5 4.3 -0.7 -10.1 75.0 68.6 64.0
 ALA-189   ASP-190  5.0 5.3 62.2 -64.1 130.7 133.0 12.8
 ASP-190   LEU-191  3.0 3.3 -4.8 2.1 90.8 85.0 -1.4
 LEU-191   SER-192  6.1 6.6 -0.4 1.9 52.8 50.6 -3.5
 SER-192   LYS-193  6.6 6.8 -3.4 2.0 24.7 23.6 5.7
 LYS-193   LYS-194  6.6 6.6 5.8 -6.2 83.0 84.1 -5.9
 LYS-194   THR-195  9.7 9.9 -1.9 1.5 94.5 92.2 -1.8
 THR-195   VAL-196  13.3 13.5 2.1 -2.6 18.6 20.5 -4.8
 VAL-196   GLU-197  15.2 15.5 3.5 -2.9 77.2 78.2 0.5
 GLU-197   GLU-198  17.5 17.8 -1.2 1.2 97.4 99.8 11.6

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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