3v9d | pdb_00003v9d

Crystal structure of the tetra-decanucleotide d(CCCCGGTACCGGGG)2 as an A-DNA duplex

spinqualitylabelsall models 3v9d, resolution 2.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3v9d is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: MN Related: 3qk4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed The crystal structure of the tetradecanucleotide sequence d(CCCCGGTACCGGGG)(2) has been determined at 2.5 A resolution in the tetragonal space group P4(1). This sequence was designed with the expectation of a four-way junction. However, the sequence crystallized as an A-DNA duplex and represents more than one full turn of the A-helix. The crystallographic asymmetric unit consists of one tetradecanucleotide duplex. The structural parameters of the A-type DNA duplex structure and the crystal-packing arrangement are described. One Mn(2+) ion was identified with direct coordination to the N7 position of G(13) and a water molecule at the major-groove side of the C(2).G(13) base pair. Structure of the tetradecanucleotide d(CCCCGGTACCGGGG)2 as an A-DNA duplex.,Mandal PK, Venkadesh S, Gautham N Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012 Apr 1;68(Pt 4):393-9. Epub, 2012 Mar 27. PMID:22505405 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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