3nz7

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A bimolecular anti-parallel-stranded Oxytricha nova telomeric quadruplex in complex with a 3,6-disubstituted acridine ligand containing bis-3-fluoropyrrolidine end side chainsA bimolecular anti-parallel-stranded Oxytricha nova telomeric quadruplex in complex with a 3,6-disubstituted acridine ligand containing bis-3-fluoropyrrolidine end side chains

Structural highlights

3nz7 is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.1Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Publication Abstract from PubMed

Comparative X-ray structure studies reveal that C-F bond incorporation into the peripheral pyrrolidine moieties of the G-quadruplex DNA binding ligand BSU6039 leads to a distinct pyrrolidine ring conformation, relative to the non-fluorinated analogue, and with a different binding mode involving reversal of the pyrrolidinium N(+)-H orientation.

Fluorine in medicinal chemistry: beta-fluorination of peripheral pyrrolidines attached to acridine ligands affects their interactions with G-quadruplex DNA.,Campbell NH, Smith DL, Reszka AP, Neidle S, O'Hagan D Org Biomol Chem. 2011 Mar 7;9(5):1328-31. Epub 2011 Jan 10. PMID:21221451[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

  1. Campbell NH, Smith DL, Reszka AP, Neidle S, O'Hagan D. Fluorine in medicinal chemistry: beta-fluorination of peripheral pyrrolidines attached to acridine ligands affects their interactions with G-quadruplex DNA. Org Biomol Chem. 2011 Mar 7;9(5):1328-31. Epub 2011 Jan 10. PMID:21221451 doi:10.1039/c0ob00886a

3nz7, resolution 1.10Å

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