Atp-Dependent DNA Helicase Q1

(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  PHE-277   THR-278  6.4 6.8 8.0 -11.9 32.5 32.7 -55.9  THR-278   ALA-279  5.4 5.5 7.9 -7.3 83.9 75.6 80.9  ALA-279   SER-280  4.4 4.5 18.5 -18.4 8.0 9.5 -13.9 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