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Related Concept Videos

Protein Complexes with Interchangeable Parts01:57

Protein Complexes with Interchangeable Parts

Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order to...
Protein Complexes with Interchangeable Parts01:57

Protein Complexes with Interchangeable Parts

Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order to...

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Related Experiment Video

Updated: May 26, 2026

The MultiBac Protein Complex Production Platform at the EMBL
13:51

The MultiBac Protein Complex Production Platform at the EMBL

Published on: July 11, 2013

MultiBac: expanding the research toolbox for multiprotein complexes.

Christoph Bieniossek1, Tsuyoshi Imasaki, Yuichiro Takagi

  • 1European Molecular Biology Laboratory (EMBL), Grenoble Outstation, UJF-CNRS-EMBL Unite Mixte International UMI 3265, rue Jules Horowitz, 38042 Grenoble Cedex 9, France.

Trends in Biochemical Sciences
|December 14, 2011
PubMed
Summary
This summary is machine-generated.

Producing large protein complexes for research is difficult. The MultiBac system, a baculovirus expression technology, enables efficient production of these eukaryotic multiprotein assemblies for structural studies.

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Identification of Protein Complexes in Escherichia coli using Sequential Peptide Affinity Purification in Combination with Tandem Mass Spectrometry
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Related Experiment Videos

Last Updated: May 26, 2026

The MultiBac Protein Complex Production Platform at the EMBL
13:51

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Published on: July 11, 2013

Dissecting Multi-protein Signaling Complexes by Bimolecular Complementation Affinity Purification (BiCAP)
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Identification of Protein Complexes in Escherichia coli using Sequential Peptide Affinity Purification in Combination with Tandem Mass Spectrometry
14:58

Identification of Protein Complexes in Escherichia coli using Sequential Peptide Affinity Purification in Combination with Tandem Mass Spectrometry

Published on: November 12, 2012

Area of Science:

  • Molecular Biology
  • Structural Biology
  • Biochemistry

Background:

  • Cellular processes rely on complex protein assemblies.
  • Studying these multiprotein complexes requires large quantities of high-quality protein.
  • Existing methods face challenges in producing sufficient protein complex yields.

Purpose of the Study:

  • To review the MultiBac system, a powerful recombinant expression technology.
  • To highlight its application in producing eukaryotic multiprotein complexes.
  • To demonstrate its utility in structural characterization and understanding cellular mechanisms.

Main Methods:

  • Utilizing the MultiBac baculovirus expression vector system.
  • Employing recombinant protein expression technologies.
  • Focusing on the production of eukaryotic multiprotein complexes.

Main Results:

  • MultiBac facilitates the production of challenging multiprotein assemblies.
  • This technology enables structural characterization of essential cellular machinery.
  • It aids in deciphering fundamental cellular mechanisms through protein complex studies.

Conclusions:

  • The MultiBac system is a key technology for overcoming protein production bottlenecks.
  • It is instrumental in advancing structural biology and understanding cellular functions.
  • Continued development of such systems is crucial for biological research.