Base Pair Hydrogen Bonding Classification
Nucleic Acid Backbone Torsions
Base Pair Morphology Parameters
STRUCTURAL BASIS FOR COOPERATIVE BINDING OF RIBBON-HELIX-HELIX OMEGA REPRESSOR TO DIRECT DNA HEPTAD REPEATS
ORF OMEGA
B DOUBLE HELIX
Click to show/hide 2 nucleic acid sequences
Click to show/hide 1 protein sequences
Weihofen, W.A., Cicek, A., Pratto, F., Alonso, J.C., Saenger, W.
Structures of Omega Repressors Bound to Direct and Inverted DNA Repeats Explain Modulation of Transcription. 
Nucleic Acids Res., 34, pp. 1450 - , 2006.
X-RAY DIFFRACTION
C 1 2 1
a = 219.426 b = 44.631 c = 75.96 (Ångstroms)
α = 90.0 β = 108.8 γ = 90.0 (degrees)
The structure was refined using the REFMAC program. The R value is 0.227 for 24191 reflections in the resolution range 43.44 to 2.45 Ångstroms with Fobs > 0.0 sigma(Fobs) and with I > 0.0 sigma(I)
Asymmetric Unit coordinates (pdb format, Unix compressed(.gz))
Asymmetric Unit coordinates (cif format, Unix compressed(.gz))
Biological Assembly coordinates (pdb format) 1
Structure Factors (cif format)
Coordinates (pdb format, Unix compressed(.gz))
Coordinates (cif format, Unix compressed(.gz))
NMR Restraints (cif format, Unix compressed(.gz))
XML | Complete with coordinates (xml format, GNU compressed(.gz))