ISDA

Deposition Date 1988-08-29

Release Date 1989-01-09

Last Version Date 2024-02-14

Entry Detail

PDB ID:

2DCG

Keywords:

DNA

Title:

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

Biological Source:

Source Organism:

(Taxon ID: ) (Taxon ID: )

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

0.90 Å

R-Value Observed:

0.14

Space Group:

P 21 21 21

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Macromolecular Entities

Polymer Type:polydeoxyribonucleotide
Molecule:DNA (5'-D(*CP*GP*CP*GP*CP*G)-3')
Chain IDs:A, B
Chain Length:6
Number of Molecules:2
Biological Source:

Ligand Molecules

SPM

Primary Citation

Molecular structure of a left-handed double helical DNA fragment at atomic resolution.

Wang, A.H, Quigley, G.J, Kolpak, F.J, Crawford, J.L, van Boom, J.H, van der Marel, G, Rich, A, Gessner, R.V, Frederick, C.A, Quigley, G.J, Rich, A, Wang, A.H.-J.Show

Nature 282 680 686 (1979)

PMID: 514347 DOI: 10.1038/282680a0

Abstact

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.

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Protein

Chemical

Disease

Primary Citation of related structures