Dna-Directed RNA Polymerase II 140Kd Polypeptide

(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
 ILE-1103   HIS-1104  17.7 17.8 29.2 -22.7 53.5 57.1 -10.5
 HIS-1104   ALA-1105  18.0 17.9 21.3 -25.5 75.2 82.2 -12.8
 ALA-1105   ARG-1106  15.0 15.0 14.4 -32.8 69.6 78.2 -25.3
 ARG-1106   ALA-1107  16.0 15.5 13.3 -3.6 88.1 76.8 39.5
 ALA-1107   ARG-1108  14.9 14.2 105.1 62.2 63.1 64.5 285.9
 ARG-1108   GLY-1109  18.0 16.8 23.1 -77.5 60.8 116.9 154.5

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