Evidence map›Paper›PMID 33542533›Full record

ArticleNature chemical biology2021

Yeast- and antibody-based tools for studying tryptophan C-mannosylation.

Alan John, Michael A Järvå, Sayali Shah, Runyu Mao, Stephane Chappaz, Richard W Birkinshaw, Peter E Czabotar, Alvin W Lo, Nichollas E Scott, Ethan D Goddard-Borger

Abstract read
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In one paragraph

Article in Nature chemical biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

12 citing papers in PubMed.

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  12. ProteinMolecules (Basel, Switzerland) · 2021
    Review
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

10 authors.

Alan JohnThe Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.ORCID http://orcid.org/0000-0002-6855-5470
Michael A JärvåThe Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.ORCID http://orcid.org/0000-0002-8519-5622
Sayali ShahThe Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.
Runyu MaoThe Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.ORCID http://orcid.org/0000-0001-5267-3328
Stephane ChappazThe Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.ORCID http://orcid.org/0000-0003-0574-7544
Richard W BirkinshawThe Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.ORCID http://orcid.org/0000-0003-1825-0182
Peter E CzabotarThe Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.ORCID http://orcid.org/0000-0002-2594-496X
Alvin W LoThe Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.
Nichollas E ScottDepartment of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Parkville, Victoria, Australia.ORCID http://orcid.org/0000-0003-2556-8316
Ethan D Goddard-BorgerThe Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia. goddard-borger.e@wehi.edu.au.ORCID http://orcid.org/0000-0002-8181-9733

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tryptophan C-mannosylation is an unusual co-translational protein modification performed by metazoans and apicomplexan protists. The prevalence and biological functions of this modification are poorly understood, with progress in the field hampered by a dearth of convenient tools for installing and detecting the modification. Here, we engineer a yeast system to produce a diverse array of proteins with and without tryptophan C-mannosylation and interrogate the modification's influence on protein stability and function. This system also enabled mutagenesis studies to identify residues of the glycosyltransferase and its protein substrates that are crucial for catalysis. The collection of modified proteins accrued during this work facilitated the generation and thorough characterization of monoclonal antibodies against tryptophan C-mannosylation. These antibodies empowered proteomic analyses of the brain C-glycome by enriching for peptides possessing tryptophan C-mannosylation. This study revealed many new modification sites on proteins throughout the secretory pathway with both conventional and non-canonical consensus sequences.

Indexed as

Amino Acid SequenceAntibodiesGlycosylationGlycosyltransferasesMannosePeptidesProtein EngineeringProtein Processing, Post-TranslationalProtein StabilityProteomicsSaccharomyces cerevisiaeSaccharomycetalesTryptophanAntibodiesGlycosyltransferasesMannosePeptidesTryptophan

Identifiers

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Registered trials

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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.