Evidence map›Paper›PMID 19685868›Full record

ArticleJournal of the American Chemical Society2009

Pairing geometry of the hydrophobic thymine analogue 2,4-difluorotoluene in duplex DNA as analyzed by X-ray crystallography.

Pradeep S Pallan, Martin Egli

Abstract read
In one paragraph

Article in Journal of the American Chemical Society, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
2.4field-weighted citation impact, top 11% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed, 33 citations in OpenAlex.

  1. Fluorobenzene Nucleobase Analogues for Triplex-Forming Peptide Nucleic Acids.Chembiochem : a European journal of chemical biology · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors at 1 institution in 1 country.

Pradeep S PallanDepartment of Biochemistry, School of Medicine, Vanderbilt University, Nashville, Tennessee 37232, USA.
Martin Egli
Vanderbilt University · US

Funding

STRUCTURE/FUNCTION OF NUCLEIC ACID THERAPEUTICSR01GM055237 · NIGMS · VANDERBILT UNIVERSITY · PI EGLI, MARTIN · 1997 to 2012
$3.3M
NIGMS NIH HHS R01 GM055237NIGMS NIH HHS R01GM55237
6 · The paper itself

Abstract

Certain DNA polymerases (pols) were found to efficiently insert A opposite the hydrophobic T isostere 2,4-difluorotoluene (F) and vice versa, resulting in the widely held belief that some pols rely on shape rather than H-bonding for accurate replication. Using X-ray crystallography we have analyzed the geometry of F:A pairs in duplex DNA and observed a distance between fluorine and the exocyclic amino group of A that is consistent with a H-bond, thus challenging the assumption that the F analogue is unable to engage in H-bonding as well as the steric hypothesis of DNA replication. Therefore, shape and H-bonding are inherently related, and steric constraints at a pol active site, or conferred by stacking or the DNA backbone conformation, may enable H-bonding by F.

Indexed as

Base PairingHydrophobic and Hydrophilic InteractionsBacillusBase SequenceCrystallography, X-RayDNAModels, MolecularRibonuclease HThymineToluenedifluorotolueneDNARibonuclease HThymineToluene

Identifiers

PMID19685868
PMCPMC2757930
OpenAlexW2106137858

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.