1ick

LEFT-HANDED Z-DNA HEXAMER DUPLEX D(CGCGCG)2

spinqualitylabelsall models 1ick, resolution 0.95Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1ick is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 0.95Å Ligands: MG, SPM Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed The crystal structure of a left-handed Z-DNA hexamer duplex d(CGCGCG)(2) has been solved based on the anomalous diffraction signal of inherent P atoms using data collected at the single wavelength of 1.54 A. The anomalous signal of about 2% of the total diffracted intensity, constant for all nucleic acids, may be generally useful for solving crystal structures of DNA and RNA oligomers. The multiplicity of intensity measurements is shown to crucially affect the data quality and the ability to solve the phase problem. The anisotropic model refined to an R factor of 8.9% at 0.95 A resolution. Anomalous signal of phosphorus used for phasing DNA oligomer: importance of data redundancy.,Dauter Z, Adamiak DA Acta Crystallogr D Biol Crystallogr. 2001 Jul;57(Pt 7):990-5. Epub 2001, Jun 21. PMID:11418767 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Z-DNA

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