Dna-Directed RNA Polymerase Beta' Chain

(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
 TRP-81   ASP-82  12.7 12.6 4.7 -7.0 43.7 52.9 5.2
 ASP-82   PRO-83  13.1 12.9 6.4 -21.5 60.0 49.8 -47.4
 PRO-83   HIS-84  16.3 15.9 24.3 9.1 18.2 17.5 143.9
 HIS-84   THR-85  15.1 14.7 -45.6 15.0 101.8 110.5 -32.9
 THR-85   MET-86  11.4 10.9 -2.8 24.2 59.0 66.6 -32.0
 MET-86   PRO-87  9.2 9.1 -7.2 4.2 89.4 77.9 12.3

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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