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
 GLU-1149   ARG-1150  8.2 8.4 19.0 -6.0 73.8 79.6 -14.8
 ARG-1150   LEU-1151  11.6 11.7 -17.7 12.0 152.3 141.8 -20.6
 LEU-1151   MET-1152  11.3 11.6 21.3 -63.1 82.7 92.5 -2.8
 MET-1152   GLU-1153  10.8 11.2 144.6 36.7 103.4 146.7 -359.2
 GLU-1153   ALA-1154  14.3 11.7 161.3 -62.3 128.8 106.4 764.2
 ALA-1154   SER-1155  16.4 14.6 162.5 111.4 74.8 22.1 -268.6
 SER-1155   ASP-1156  16.6 16.9 77.9 25.1 122.3 64.4 -74.4
 ASP-1156   ALA-1157  16.5 15.8 -13.9 -88.6 113.2 63.5 82.5
 ALA-1157   PHE-1158  13.8 14.5 24.7 -74.1 78.2 73.9 -37.8

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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