Dna-Directed RNA Polymerase Alpha 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
 ILE-48   PRO-49  1.5 1.2 -18.0 7.9 36.9 41.7 38.3
 PRO-49   GLY-50  2.2 2.3 -4.6 -6.5 33.4 25.0 20.5
 GLY-50   THR-51  2.4 2.3 -23.6 -5.6 54.9 50.2 62.8

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
 ILE-170   PHE-171  5.8 5.8 -44.7 3.5 74.1 62.2 166.0
 PHE-171   SER-172  3.0 3.3 143.7 -128.8 106.9 144.3 -25.9
 SER-172   PRO-173  2.7 3.0 -35.4 20.6 126.8 115.1 -77.6

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