Base Pair Hydrogen Bonding Classification
Nucleic Acid Backbone Torsions
Base Pair Morphology Parameters
PURINE REPRESSOR-HYPOXANTHINE-PALINDROMIC OPERATOR COMPLEX
PURINE NUCLEOTIDE SYNTHESIS REPRESSOR/DNA COMPLEX
HYPOXANTHINE
B DOUBLE HELIX, OVERHANGING BASES
Click to show/hide 1 nucleic acid sequences
Click to show/hide 1 protein sequences
Glasfeld, A., Koehler, A.N., Schumacher, M.A., Brennan, R.G.
The role of lysine 55 in determining the specificity of the purine repressor for its operators through minor groove interactions. 
J.Mol.Biol., 291, pp. 347 - 361, 1999.
X-RAY DIFFRACTION
C 2 2 21
a = 176.48 b = 95.26 c = 81.18 (Ångstroms)
α = 90.0 β = 90.0 γ = 90.0 (degrees)
The structure was refined using the TNT program. The R value is 0.0 for 13547 reflections in the resolution range 10.0 to 3.0 Ångstroms with Fobs > 0.0 sigma(Fobs) and with I > 2.0 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))