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Updated: Aug 9, 2025

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Published on: August 6, 2018
The Knowns and Unknowns in Protein-Metabolite Interactions
Ilya Kurbatov1, Georgii Dolgalev1, Viktoriia Arzumanian1
1Institute of Biomedical Chemistry, Moscow 119121, Russia.
Investigating protein-metabolite interactions (PMI) is crucial for understanding cellular processes. This review details current methods for detecting and annotating these vital interactions, highlighting areas for future research.
Area of Science:
- Biochemistry
- Molecular Biology
- Systems Biology
Background:
- Protein-metabolite interactions (PMI) are essential for cellular functions.
- Detecting transient PMIs requires high-resolution techniques.
- Current methods struggle to identify all interacting metabolites.
Purpose of the Study:
- To review the current state of protein-metabolite interaction detection and annotation.
- To describe recent advancements in research methods for studying PMIs.
- To redefine the term "interaction" in the context of interactomics.
Main Methods:
- Review of existing literature on protein-metabolite interaction detection.
- Analysis of recent progress in associated research methodologies.
- Deconstruction of the term "interaction" for enhanced clarity.
Main Results:
- Existing assays for protein-metabolite interactions have limitations in metabolite identification.
- Mass spectrometry advances enable large-scale protein and metabolite quantification but require improvement for comprehensive interaction mapping.
- Knowledge of PMIs is vital for understanding proteome-metabolome crosstalk.
Conclusions:
- Further development of high-resolution techniques is needed for transient PMI detection.
- Improved methods are required for comprehensive identification of interacting metabolites.
- A clearer definition of "interaction" will advance the field of interactomics.
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