Evidence map›Paper›PMID 18547518›Full record

ArticleStructure (London, England : 1993)2008

Structural analysis reveals conformational plasticity in the recognition of RNA 3' ends by the human La protein.

Olga Kotik-Kogan, Elizabeth R Valentine, Domenico Sanfelice, Maria R Conte, Stephen Curry

Open access · hybridAbstract read
In one paragraph

Article in Structure (London, England : 1993), 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed
1.8field-weighted citation impact, top 16% 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

56 citing papers in PubMed, 92 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.

Olga Kotik-KoganBiophysics Section, Blackett Laboratory, Imperial College, Exhibition Road, London, United Kingdom.
Elizabeth R Valentine
Domenico Sanfelice
Maria R Conte
Stephen Curry
King's College London · GBImperial College London · GB

Funding

Medical Research Council MC_U117533887Wellcome Trust
6 · The paper itself

Abstract

The eukaryotic La protein recognizes the 3' poly(U) sequences of nascent RNA polymerase III transcripts to assist folding and maturation. The 3' ends of such RNAs are bound by the N-terminal domain of La (LaNTD). We have solved the crystal structures of four LaNTD:RNA complexes, each containing a different single-stranded RNA oligomer, and compared them to the structure of a previously published LaNTD:RNA complex containing partially duplex RNA. The presence of purely single-stranded RNA in the binding pocket at the interface between the La motif and RRM domains allows significantly closer contact with the 3' end of the RNA. Comparison of the different LaNTD:RNA complexes identifies a conserved set of interactions with the last two nucleotides at the 3' end of the RNA ligand that are key to binding. Strikingly, we also observe two alternative conformations of bound ssRNA, indicative of an unexpected degree of plasticity in the modes of RNA binding.

Indexed as

3' Untranslated RegionsAutoantigensCrystallography, X-RayHumansModels, MolecularNuclear Magnetic Resonance, BiomolecularNucleic Acid ConformationPoly UProtein BindingProtein Structure, TertiaryRibonucleoproteinsRNA PrecursorsSS-B Antigen3' Untranslated RegionsAutoantigensPoly URibonucleoproteinsRNA PrecursorsSS-B Antigen

Identifiers

PMID18547518
PMCPMC2430598
OpenAlexW2090432575

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.