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
 ASN-18   SER-19  4.8 4.5 7.1 -9.5 101.9 104.1 23.0
 SER-19   MET-20  1.5 1.4 4.1 0.5 47.1 47.1 15.7
 MET-20   PRO-21  2.8 2.9 -6.0 14.3 83.0 82.9 -22.9

Downloading Image

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


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
 ASN-84   SER-85  7.5 7.2 12.2 -4.0 50.8 46.1 80.0
 SER-85   TYR-86  9.3 9.0 8.4 -12.3 98.2 93.4 1.3
 TYR-86   PRO-87  7.8 7.2 -18.5 3.6 121.3 119.7 -80.4
 PRO-87   GLU-88  5.5 5.2 -25.4 10.2 64.3 54.4 188.6
 GLU-88   ALA-89  1.8 1.6 4.6 1.8 133.9 130.6 -30.0
 ALA-89   GLU-90  2.4 2.2 6.5 -15.6 72.4 73.3 -31.8

Downloading Image

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