Dna-Directed RNA 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
 PHE-761   LYS-762  5.8 5.5 -35.7 33.6 41.0 42.6 -4.6
 LYS-762   GLY-763  5.2 5.4 82.1 -158.3 105.6 105.2 32.8
 GLY-763   GLU-764  2.5 2.6 125.7 165.0 139.8 153.1 84.2

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
 ALA-782   ARG-783  7.4 6.5 23.8 -17.2 110.1 124.7 1.0
 ARG-783   ASP-784  3.7 3.2 5.5 51.0 39.4 53.7 33.7
 ASP-784   VAL-785  3.1 2.2 -30.4 -7.4 73.8 76.5 28.5
 VAL-785   LYS-786  2.6 2.2 -18.2 -5.5 86.0 73.4 26.9

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