Evidence map›Paper›PMID 21863800›Full record

ArticleAnalytical chemistry2011

Tracking hydrogen/deuterium exchange at glycan sites in glycoproteins by mass spectrometry.

M Guttman, M Scian, K K Lee

Abstract read
In one paragraph

Article in Analytical chemistry, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
–field-weighted citation impact
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

29 citing papers in PubMed.

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  11. Analysis ofInternational journal of molecular sciences · 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

3 authors.

M GuttmanDepartment of Medicinal Chemistry, University of Washington, Seattle, Washington 98195, USA. mguttman@uw.edu
M Scian
K K Lee

Funding

Virology CoreP30AI027767 · NIAID · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI OLAF KUTSCH · 1988 to 2026
$84.1M
Influenza Hemagglutinin: Structure, Dynamics, and Cooperativity During FusionR00GM080352 · NIGMS · UNIVERSITY OF WASHINGTON · PI LEE, KELLY KEISEN · 2009 to 2011
$740k
Influenza Hemagglutinin: Structure, Dynamics, and Cooperativity During FusionK99GM080352 · NIGMS · SCRIPPS RESEARCH INSTITUTE, THE · PI LEE, KELLY KEISEN · 2007 to 2008
$180k
NIAID NIH HHS P30 AI027767NIAID NIH HHS P30AI027767NIGMS NIH HHS K99 GM080352NIGMS NIH HHS R00 GM080352NIGMS NIH HHS R00GM080352
6 · The paper itself

Abstract

Hydrogen/deuterium exchange coupled to mass spectrometry (HDX-MS) has emerged as a technique for studying glycoproteins, which are often refractory to classical methods. Glycan chains are generally assumed to exchange protons very rapidly, making them invisible to this technique. Here, we show that under conditions commonly used for HDX-MS, acetamido groups within glycan chains retain a significant amount of deuterium. Using mono- and polysaccharide standards along with glycopeptides from a panel of glycoproteins, we demonstrate that N-acetyl hexosamines, along with modified Asn side chains, are responsible for this effect. Model compounds for sialic acid also displayed similar exchange kinetics, but terminal sialic acids in the context of an entire glycan chain did not contribute to deuterium retention. Furthermore, the presence of sialic acid appears to enhance the exchange rate of the nearby N-acetyl glucosamines. The ability to detect deuterium exchange at the glycan level opens the possibility of applying HDX-MS to monitor glycan interactions and dynamics.

Indexed as

Deuterium Exchange MeasurementAnimalsCarbohydrate ConformationCattleGlycoproteinsHumansMass SpectrometryPolysaccharidesGlycoproteinsPolysaccharides

Identifiers

PMID21863800
PMCPMC3184328

What OpenQuestion holds

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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.