Evidence map›Paper›PMID 38082177›Full record

ArticleNature chemistry2024

Electrochemical labelling of hydroxyindoles with chemoselectivity for site-specific protein bioconjugation.

Conor Loynd, Soumya Jyoti Singha Roy, Vincent J Ovalle, Sarah E Canarelli, Atanu Mondal, Delilah Jewel, Elise D Ficaretta, Eranthie Weerapana, Abhishek Chatterjee

Open access · greenAbstract read
In one paragraph

Article in Nature chemistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
3.0field-weighted citation impact, top 8% 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

13 citing papers in PubMed, 20 citations in OpenAlex.

  1. Review
  2. Review
  3. Review
  4. B(COrganic letters · 2026
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  6. An Expanded Toolbox for Versatile Chemical Editing of Adeno-Associated Virus.Angewandte Chemie (International ed. in English) · 2026
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  9. Chemical Tagging ofJournal of the American Chemical Society · 2025
    Article
  10. Article
  11. Review
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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

9 authors at 1 institution in 1 country.

Conor Loynd *Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA, USA.
Soumya Jyoti Singha Roy *Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA, USA.
Vincent J OvalleDepartment of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA, USA.
Sarah E CanarelliDepartment of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA, USA.
Atanu MondalDepartment of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA, USA.ORCID 0000-0003-3546-8394
Delilah JewelDepartment of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA, USA.
Elise D FicarettaDepartment of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA, USA.
Eranthie WeerapanaDepartment of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA, USA.
Abhishek ChatterjeeDepartment of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA, USA. abhishek.chatterjee@bc.edu.ORCID 0000-0002-6231-5302
Boston College · US

Funding

A genetically encoded toolset to decipher the biology of post-translational modifications in the mammalian proteomeR35GM136437 · NIGMS · BOSTON COLLEGE · PI Abhishek Chatterjee · 2020 to 2026
$4.0M
Developing chemical-proteomic tools to investigate cysteine oxidationR35GM134964 · NIGMS · BOSTON COLLEGE · PI WEERAPANA, ERANTHIE · 2020 to 2024
$3.1M
NIGMS NIH HHS R35 GM134964NIGMS NIH HHS R35 GM136437
6 · The paper itself

Abstract

Electrochemistry has recently emerged as a powerful approach in small-molecule synthesis owing to its numerous attractive features, including precise control over the fundamental reaction parameters, mild reaction conditions and innate scalability. Even though these advantages also make it an attractive strategy for chemoselective modification of complex biomolecules such as proteins, such applications remain poorly developed. Here we report an electrochemically promoted coupling reaction between 5-hydroxytryptophan (5HTP) and simple aromatic amines-electrochemical labelling of hydroxyindoles with chemoselectivity (eCLIC)-that enables site-specific labelling of full-length proteins under mild conditions. Using genetic code expansion technology, the 5HTP residue can be incorporated into predefined sites of a recombinant protein expressed in either prokaryotic or eukaryotic hosts for subsequent eCLIC labelling. We used the eCLIC reaction to site-specifically label various recombinant proteins, including a full-length human antibody. Furthermore, we show that eCLIC is compatible with strain-promoted alkyne-azide and alkene-tetrazine click reactions, enabling site-specific modification of proteins at two different sites with distinct labels.

Indexed as

AzidesClick ChemistryHumansRecombinant ProteinsAzidesRecombinant Proteins

Identifiers

PMID38082177
PMCPMC10932882
OpenAlexW4389564164

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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.