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Enrichment of Bacterial Lipoproteins and Preparation of N-terminal Lipopeptides for Structural Determination by Mass Spectrometry
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Published on: May 21, 2018

Cardiolipin binding in bacterial respiratory complexes: structural and functional implications.

Rodrigo Arias-Cartin1, Stéphane Grimaldi, Pascal Arnoux

  • 1Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, CT 06520, USA.

Biochimica Et Biophysica Acta
|May 8, 2012
PubMed
Summary
This summary is machine-generated.

Specific lipids like cardiolipin are crucial for membrane protein function, especially in respiration. This review explores how cardiolipin binding influences respiratory complexes and supercomplex formation in prokaryotes.

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Published on: March 23, 2022

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Structural Biology

Background:

  • Biological membrane integrity is essential for life, relying on lipid-protein interactions.
  • Specific lipids are increasingly recognized for their roles in membrane protein functionality.
  • Cardiolipin, an anionic phospholipid, is found in various respiratory complexes.

Purpose of the Study:

  • To review current knowledge on cardiolipin's function in prokaryotic respiratory complexes.
  • To discuss how specific lipid binding modulates protein reactivity and supercomplex formation.

Main Methods:

  • Literature review of structural and functional studies.
  • Analysis of X-ray crystallographic data of membrane proteins.
  • Integration of findings on cardiolipin's localization and function.

Main Results:

  • X-ray structures show specific lipid binding to membrane proteins.
  • Cardiolipin is associated with prokaryotic and eukaryotic respiratory complexes.
  • Cardiolipin accumulation in prokaryotes may regulate protein activity and localization.

Conclusions:

  • Specific lipid binding, exemplified by cardiolipin, is key to membrane protein function.
  • Cardiolipin influences quinone reactivity and respiratory supercomplex assembly.
  • Understanding these interactions provides insights into bioenergetic processes.