Evidence map›Paper›PMID 38964336›Full record

ArticleStructure (London, England : 1993)2024

Molecular insights into the initiation step of the Rcs signaling pathway.

Nobuhiko Watanabe, Alexei Savchenko

Abstract read
In one paragraph

Article in Structure (London, England : 1993), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing 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

6 citing papers in PubMed.

  1. Structural and functional insights into the Rcs phosphorelay.bioRxiv : the preprint server for biology · 2026
    Article
  2. Review
  3. Article
  4. Review
  5. Article
  6. RcsF-independent mechanisms of signaling within the Rcs Phosphorelay.bioRxiv : the preprint server for biology · 2024
    Article
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

2 authors.

Nobuhiko WatanabeDepartment of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB, Canada; Center for Structural Biology for Infectious Diseases (CSBID) Chicago, IL, USA.
Alexei SavchenkoDepartment of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB, Canada; Center for Structural Biology for Infectious Diseases (CSBID) Chicago, IL, USA. Electronic address: alexei.savchenko@ucalgary.ca.

Funding

TO PROVIDE SCIENTIFIC SUPPORT TO THE CENTERS FOR RESEARCH ON STRUCTURAL BIOLOGY OF INFECTIOUS DISEASES.75N93022C00035 · NIAID · NORTHWESTERN UNIVERSITY AT CHICAGO · PI SATCHELL, KARLA · 2022 to 2025
$20.7M
NIAID NIH HHS 75N93022C00035NIAID NIH HHS HHSN272200700058CNIAID NIH HHS HHSN272201200026CNIAID NIH HHS HHSN272201700060C
6 · The paper itself

Abstract

The Rcs pathway is repressed by the inner membrane protein IgaA under non-stressed conditions. This repression is hypothesized to be relieved by the binding of the outer membrane-anchored RcsF to IgaA. However, the precise mechanism by which RcsF binding triggers the signaling remains unclear. Here, we present the 1.8 Å resolution crystal structure capturing the interaction between IgaA and RcsF. Our comparative structural analysis, examining both the bound and unbound states of the periplasmic domain of IgaA (IgaAp), highlights rotational flexibility within IgaAp. Conversely, the conformation of RcsF remains unchanged upon binding. Our in vivo and in vitro studies do not support the model of a stable complex involving RcsF, IgaAp, and RcsDp. Instead, we demonstrate that the elements beyond IgaAp play a role in the interaction between IgaA and RcsD. These findings collectively allow us to propose a potential mechanism for the signaling across the inner membrane through IgaA.

Indexed as

Escherichia coli ProteinsModels, MolecularProtein BindingSignal TransductionBinding SitesCrystallography, X-RayEscherichia coliMembrane ProteinsEscherichia coli ProteinsMembrane ProteinsrcsF protein, E colicell envelopeIgaAPOLAR assayprotein complexRcsDRcsFRcs pathwaystress responseX-ray crystallography

Identifiers

PMID38964336
PMCPMC13035375

What OpenQuestion holds

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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.