Evidence map›Paper›PMID 27546612›Full record

ArticleNature communications2016

Protein S-sulfenylation is a fleeting molecular switch that regulates non-enzymatic oxidative folding.

Amy E M Beedle, Steven Lynham, Sergi Garcia-Manyes

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed
5.3field-weighted citation impact, top 4% 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

36 citing papers in PubMed, 77 citations in OpenAlex.

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  10. HAntioxidants & redox signaling · 2023
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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

3 authors at 1 institution in 1 country.

Amy E M BeedleDepartment of Physics and Randall Division of Cell and Molecular Biophysics, King's College London, London WC2R 2LS, UK.
Steven LynhamCentre of Excellence for Mass Spectrometry, King's College London, London SE5 8AF, UK.
Sergi Garcia-ManyesDepartment of Physics and Randall Division of Cell and Molecular Biophysics, King's College London, London WC2R 2LS, UK.
King's College London · GB

Funding

Biotechnology and Biological Sciences Research Council BB/J00992X/1British Heart Foundation PG/13/50/30426
6 · The paper itself

Abstract

The post-translational modification S-sulfenylation functions as a key sensor of oxidative stress. Yet the dynamics of sulfenic acid in proteins remains largely elusive due to its fleeting nature. Here we use single-molecule force-clamp spectroscopy and mass spectrometry to directly capture the reactivity of an individual sulfenic acid embedded within the core of a single Ig domain of the titin protein. Our results demonstrate that sulfenic acid is a crucial short-lived intermediate that dictates the protein's fate in a conformation-dependent manner. When exposed to the solution, sulfenic acid rapidly undergoes further chemical modification, leading to irreversible protein misfolding; when cryptic in the protein's microenvironment, it readily condenses with a neighbouring thiol to create a protective disulfide bond, which assists the functional folding of the protein. This mechanism for non-enzymatic oxidative folding provides a plausible explanation for redox-modulated stiffness of proteins that are physiologically exposed to mechanical forces, such as cardiac titin.

Indexed as

Protein FoldingCyclohexanonesCysteineDisulfidesKineticsMolecular ConformationOxidation-ReductionProteinsReproducibility of ResultsSingle Molecule ImagingSolventsSulfenic AcidsCyclohexanonesCysteinedimedoneDisulfidesProteinsSolventsSulfenic Acids

Identifiers

PMID27546612
PMCPMC4996944
OpenAlexW2512924254

What OpenQuestion holds

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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.