Base Pair Hydrogen Bonding Classification
Nucleic Acid Backbone Torsions
Base Pair Morphology Parameters
4 CRYSTAL STRUCTURES OF CAP-DNA WITH ALL BASE-PAIR SUBSTITUTIONS AT POSITION 6, CAP-ICAP38 DNA
Catabolite gene activator/DNA Complex
B DOUBLE HELIX
Click to show/hide 2 nucleic acid sequences
Click to show/hide 1 protein sequences
Napoli, A.A., Lawson, C.L., Ebright, R.H., Berman, H.M.
Indirect readout of DNA sequence at the primary-kink site in the CAP-DNA complex: recognition of pyrimidine-purine and purine-purine steps. 
J.Mol.Biol., 357, pp. 173 - 183, 2006.
X-RAY DIFFRACTION
P 21 21 21
a = 61.55 b = 75.552 c = 180.898 (Ångstroms)
α = 90.0 β = 90.0 γ = 90.0 (degrees)
The structure was refined using the CNS program. The R value is 0.287 for 20395 reflections in the resolution range 47.13 to 2.8 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))