Base Pair Hydrogen Bonding Classification
Nucleic Acid Backbone Torsions
Base Pair Morphology Parameters
STRUCTURE OF THE DIMERIC LAC REPRESSOR/OPERATOR O1/ONPF COMPLEX
LACTOSE OPERON REPRESSOR/DNA Complex
B DOUBLE HELIX
Click to show/hide 2 nucleic acid sequences
Click to show/hide 1 protein sequences
Bell, C.E., Lewis, M.
Crystallographic analysis of Lac repressor bound to natural operator O1. 
J.Mol.Biol., 312, pp. 921 - 926, 2001.
X-RAY DIFFRACTION
H 3 2
a = 255.771 b = 255.771 c = 206.795 (Ångstroms)
α = 90.0 β = 90.0 γ = 120.0 (degrees)
The structure was refined using the CNS program. The R value is 0.249 for 19784 reflections in the resolution range 9.99 to 4.0 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 2
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))