Evidence map›Paper›PMID 27298319›Full record

ArticleThe Journal of biological chemistry2016

A Supercomplex Spanning the Inner and Outer Membranes Mediates the Biogenesis of β-Barrel Outer Membrane Proteins in Bacteria.

Yan Wang, Rui Wang, Feng Jin, Yang Liu, Jiayu Yu, Xinmiao Fu, Zengyi Chang

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
4.2field-weighted citation impact, top 6% 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

32 citing papers in PubMed, 64 citations in OpenAlex.

  1. Review
  2. Article
  3. A fluorescent reporter and single-turnover kinetics reveal insight into BAM complex function.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  4. Article
  5. Article
  6. Review
  7. Article
  8. Article
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  10. Article
  11. Article
  12. Review
  13. Article
  14. The assembly of β-barrel outer membrane proteins.Current opinion in microbiology · 2021
    Review
  15. TheInternational journal of molecular sciences · 2021
    Article
  16. The Dynamic SecYEG Translocon.Frontiers in molecular biosciences · 2021
    Review
  17. How do Chaperones Bind (Partly) Unfolded Client Proteins?Frontiers in molecular biosciences · 2021
    Review
  18. Review
  19. SurA is a cryptically grooved chaperone that expands unfolded outer membrane proteins.Proceedings of the National Academy of Sciences of the United States of America · 2020
    Article
  20. Domain interactions determine the conformational ensemble of the periplasmic chaperone SurA.Protein science : a publication of the Protein Society · 2020
    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

7 authors at 2 institutions in 1 country.

Yan WangFrom the State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences.
Rui WangFrom the State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences.
Feng JinFrom the State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China.
Yang LiuFrom the State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences.
Jiayu YuFrom the State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences.
Xinmiao FuFrom the State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Center for Protein Science, and fuxinmiao@pku.edu.cn.
Zengyi ChangFrom the State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Center for Protein Science, and changzy@pku.edu.cn.
Peking University · CNCenter for Life Sciences · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

β-barrel outer membrane proteins (OMPs) are ubiquitously present in Gram-negative bacteria, mitochondria and chloroplasts, and function in a variety of biological processes. The mechanism by which the hydrophobic nascent β-barrel OMPs are transported through the hydrophilic periplasmic space in bacterial cells remains elusive. Here, mainly via unnatural amino acid-mediated in vivo photo-crosslinking studies, we revealed that the primary periplasmic chaperone SurA interacts with nascent β-barrel OMPs largely via its N-domain but with β-barrel assembly machine protein BamA mainly via its satellite P2 domain, and that the nascent β-barrel OMPs interact with SurA via their N- and C-terminal regions. Additionally, via dual in vivo photo-crosslinking, we demonstrated the formation of a ternary complex involving β-barrel OMP, SurA, and BamA in cells. More importantly, we found that a supercomplex spanning the inner and outer membranes and involving the BamA, BamB, SurA, PpiD, SecY, SecE, and SecA proteins appears to exist in living cells, as revealed by a combined analyses of sucrose-gradient ultra-centrifugation, Blue native PAGE and mass spectrometry. We propose that this supercomplex integrates the translocation, transportation, and membrane insertion events for β-barrel OMP biogenesis.

Indexed as

Bacterial Outer Membrane ProteinsCell MembraneEscherichia coliEscherichia coli ProteinsMultiprotein ComplexesBacterial Outer Membrane ProteinsEscherichia coli ProteinsMultiprotein ComplexesBamAchaperonecomplexmembrane biogenesismembrane proteinprotein foldingSurAthe Sec transloconβ-barrel outer membrane protein biogenesis

Identifiers

PMID27298319
PMCPMC4974385
OpenAlexW2434967355

What OpenQuestion holds

Textmetadata
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.