ArticleNucleic acids research2000
A two B-Z junction containing DNA resolves into an all right-handed double-helix.
Article in Nucleic acids research, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Natural and artificial oligonucleotides are capable of assuming many different conformations and functions. Here we present results of an NMR restrained molecular modelling study on the conformational preferences of the modified decanucleotide d((m)C1G2(m)C3G4C5(L)G6(L)(m)C7G8(m)C9G10) .d((m)C11G12(m)C13G14C15(L)G (L)16(m)C17-G18(m)C19G20 ) which contains L deoxynucleotides in its centre. This chimeric DNA was expected to form a right-left-right-handed B-type double-helix (BB*B) at low salt concentration. Actually, it matured into a fully right-handed double helix with its central C(L)pG(L) core forming a right-handed Z-DNA helix embedded in a B-DNA matrix (BZ*B). The interplay between base-base and base-sugar stackings within the core and its immediately adjacent residues was found to be critical in ensuring the stabilisation of the right-handed helix. The structure could serve as a model for the design of antisense oligonucleotides resistant to nucleases and capable of hybridising to natural DNAs and RNAs.
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