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Updated: Sep 6, 2025
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Examining Proteasome Assembly with Recombinant Archaeal Proteasomes and Nondenaturing PAGE: The Case for a Combined Approach
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Allostery Modulates Interactions between Proteasome Core Particles and Regulatory Particles.
Philip Coffino1, Yifan Cheng2,3
1Laboratory of Cellular Biophysics, Department of Molecular and Cell Biology, Rockefeller University, New York, NY 10065, USA.
Biomolecules
|June 24, 2022
Summary
Allostery, or regulation at distant sites, is crucial for proteasome function. This biological process influences how proteasome particles assemble and interact, offering therapeutic intervention opportunities.
Area of Science:
- Molecular Biology
- Biochemistry
- Cell Biology
Background:
- Allostery is a fundamental biological regulatory mechanism.
- The proteasome is a key cellular machine involved in protein degradation.
- Proteasome function relies on the interaction between its core and regulatory particles.
Purpose of the Study:
- To review known and postulated allosteric interactions within the proteasome.
- To explore how allostery modulates proteasome assembly and function.
- To highlight the therapeutic potential of targeting proteasome allostery.
Main Methods:
- Literature review of existing studies on proteasome allostery.
- Analysis of molecular interactions between proteasome modules.
- Discussion of structural and functional data related to allosteric regulation.
Main Results:
- Proteasome allosteric regulation can occur over distances exceeding 100 Ångstroms.
- Allostery influences interactions between the proteasome core particle and regulatory complexes.
- Allosteric mechanisms are implicated in the assembly of diverse proteasome populations.
Conclusions:
- Allosteric regulation is a key determinant of proteasome assembly and diversity.
- Understanding proteasome allostery provides insights into cellular protein homeostasis.
- Targeting proteasome allosteric sites presents a promising avenue for therapeutic development.
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