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Acyl-CoA binding proteins: multiplicity and function
R E Gossett1, A A Frolov, J B Roths
1Department of Pathobiology, Texas A&M University, TVMC, College Station 77843-4466, USA.
Lipids
|September 1, 1996
Summary
Long-chain fatty acyl-CoAs regulate cell functions, not just metabolism. Newly discovered cytosolic proteins bind these molecules, influencing cellular activities and offering new research directions.
Area of Science:
- Biochemistry
- Molecular Biology
- Cell Biology
Background:
- Long-chain fatty acyl-CoAs (LCFA-CoAs) are traditionally viewed as metabolic intermediates.
- Emerging evidence indicates LCFA-CoAs, at nanomolar to micromolar concentrations, act as potent regulators of cellular functions.
- Most cellular LCFA-CoA is protein- or lipid-bound, with free concentrations being very low.
Purpose of the Study:
- To investigate the identity, nature, function, and pathobiology of newly identified long-chain fatty acyl-CoA binding proteins.
- To explore the role of these proteins in regulating cellular activities.
Main Methods:
- Literature review and synthesis of existing research on LCFA-CoA binding proteins.
- Analysis of data concerning the binding affinities and specificities of various proteins for LCFA-CoA.
Main Results:
- Cytosolic nonenzymatic proteins, including acyl-CoA binding protein, fatty acid binding proteins, and sterol carrier protein-2, bind LCFA-CoA with high affinity.
- These proteins can influence the concentration of free LCFA-CoA available for cellular regulation.
Conclusions:
- Diverse cytosolic proteins bind LCFA-CoA, impacting cellular functions beyond intermediary metabolism.
- Understanding these LCFA-CoA binding proteins is crucial for elucidating their roles in cellular regulation and potential pathobiology.