ISDA

Deposition Date 2012-08-23

Release Date 2014-03-05

Last Version Date 2024-03-13

Entry Detail

PDB ID:

4GQJ

Keywords:

DNA

Title:

Complex of a binuclear Ruthenium compound D,D-([mu-(11,11')-bi(dppz)-(1,10-phenanthroline)4-Ru2]4+) bound to d(CGTACG)

Biological Source:

Source Organism:

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.95 Å

R-Value Free:

0.20

R-Value Work:

0.17

R-Value Observed:

0.17

Space Group:

P 41 3 2

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Macromolecular Entities

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

Ligand Molecules

RR2

Primary Citation

Thread Insertion of a Bis(dipyridophenazine) Diruthenium Complex into the DNA Double Helix by the Extrusion of AT Base Pairs and Cross-Linking of DNA Duplexes.

Boer, D.R, Wu, L, Lincoln, P, Coll, M.Show

Angew.Chem.Int.Ed.Engl. 53 1949 1952 (2014)

PMID: 24449275 DOI: 10.1002/anie.201308070

Abstact

The crystal structure of the Δ,Δ enantiomer of the binuclear "light-switch" ruthenium complex [μ-(11,11'-bidppz)(1,10-phenanthroline)4 Ru2 ](4+) bound to the oligonucleotide d(CGTACG) shows that one dppz moiety of the dumbbell-like compound inserts into the DNA stack through the extrusion of an AT base pair. The second dppz moiety recruits a neighboring DNA molecule, and the complex thus cross-links two adjacent duplexes by bridging their major grooves.

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Protein

Chemical

Disease

Primary Citation of related structures