Transcription Initiation Factor IIb

(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
 VAL-1206   LYS-1207  2.1 1.6 1.2 -24.0 113.9 109.9 67.7
 LYS-1207   PRO-1208  2.9 2.2 11.3 -6.5 52.7 39.7 11.0
 PRO-1208   THR-1209  4.9 5.2 15.8 -21.9 62.3 71.7 5.3
 THR-1209   ASP-1210  7.6 7.1 22.4 -7.2 25.3 47.3 78.5
 ASP-1210   TYR-1211  6.2 5.2 21.8 -25.8 45.2 19.0 -14.9
 TYR-1211   VAL-1212  5.4 5.4 20.9 0.2 82.6 75.0 -18.4
 VAL-1212   ASN-1213  9.1 9.2 6.4 -1.1 45.5 43.3 28.9

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