Evidence map›Paper›PMID 21076032›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2010

Mechanism of replication blocking and bypass of Y-family polymerase {eta} by bulky acetylaminofluorene DNA adducts.

Stephanie Schorr, Sabine Schneider, Katja Lammens, Karl-Peter Hopfner, Thomas Carell

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
1.8field-weighted citation impact, top 17% 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

22 citing papers in PubMed, 39 citations in OpenAlex.

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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

5 authors at 2 institutions in 1 country.

Stephanie SchorrDepartment of Chemistry, Center for Integrated Protein Science CIPS, Ludwig-Maximilians University, D-81377 Munich, Germany.
Sabine Schneider
Katja Lammens
Karl-Peter Hopfner
Thomas Carell
Ludwig-Maximilians-Universität München · DECenter for Integrated Protein Science Munich · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Heterocyclic aromatic amines produce bulky C8 guanine lesions in vivo, which interfere and disrupt DNA and RNA synthesis. These lesions are consequently strong replication blocks. In addition bulky adducts give rise to point and frameshift mutations. The translesion synthesis (TLS) DNA polymerase η is able to bypass slowly C8 bulky adduct lesions such as the widely studied 2-aminofluorene-dG and its acetylated analogue mainly in an error-free manner. Replicative polymerases are in contrast fully blocked by the acetylated lesion. Here, we show that TLS efficiency of Pol η depends critically on the size of the bulky adduct forming the lesion. Based on the crystal structure, we show why the bypass reaction is so difficult and we provide a model for the bypass reaction. In our model, TLS is accomplished without rotation of the lesion into the anti conformation as previously thought.

Indexed as

DNA Replication2-AcetylaminofluoreneCrystallography, X-RayDNA AdductsDNA DamageDNA-Directed DNA PolymeraseModels, MolecularMolecular ConformationProtein BindingSaccharomyces cerevisiaeY-Family DNA Polymerases2-AcetylaminofluoreneDNA AdductsDNA-Directed DNA PolymeraseRad30 proteinY-Family DNA Polymerases

Identifiers

PMID21076032
PMCPMC2996444
OpenAlexW1976657230

What OpenQuestion holds

Textmetadata
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.