2dcg

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Image:2dcg.jpg

2dcg, resolution 0.900Å

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MOLECULAR STRUCTURE OF A LEFT-HANDED DOUBLE HELICAL DNA FRAGMENT AT ATOMIC RESOLUTION

Overview

The DNA fragment d(CpGpCpGpCpG) crystallises as a left-handed double, helical molecule with Watson-Crick base pairs and an antiparallel, organisation of the sugar phosphate chains. The helix has two nucleotides, in the asymmetric unit and contains twelve base pairs per turn. It differs, significantly from right-handed B-DNA.

About this Structure

2DCG is a Protein complex structure of sequences from [1] with and as ligands. The following page contains interesting information on the relation of 2DCG with [DNA]. Full crystallographic information is available from OCA.

Reference

Molecular structure of a left-handed double helical DNA fragment at atomic resolution., Wang AH, Quigley GJ, Kolpak FJ, Crawford JL, van Boom JH, van der Marel G, Rich A, Nature. 1979 Dec 13;282(5740):680-6. PMID:514347

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