T7 DNA Polymerase

(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
 TYR-530   GLY-531  7.3 7.2 31.0 -65.7 145.5 129.2 101.0
 GLY-531   ALA-532  5.3 5.0 28.9 -14.8 93.2 91.2 5.9
 ALA-532   GLY-533  1.8 2.1 2.2 15.0 133.0 116.8 -29.6

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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