Base Pair Hydrogen Bonding Classification
Nucleic Acid Backbone Torsions
Base Pair Morphology Parameters
CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES
B DOUBLE HELIX, THE DNA IS KINKED 45 DEGREES AT THE CENTER
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Lu, F., Schumacher, M.A., Arvidson, D.N., Haldimann, A., Wanner, B.L., Zalkin, H., Brennan, R.G.
Structure-based redesign of corepressor specificity of the Escherichia coli purine repressor by substitution of residue 190. 
Biochemistry, 37, pp. 971 - 982, 1998.
X-RAY DIFFRACTION
C 2 2 21
a = 175.81 b = 95.17 c = 81.31 (Ångstroms)
α = 90.0 β = 90.0 γ = 90.0 (degrees)
The structure was refined using the TNT program. The R value is 0.175 for 17561 reflections in the resolution range 10.0 to 2.7 Ångstroms with Fobs > 1.1 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))