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Expression, purification and characterization of SORCS2 intracellular domain for structural studies
L E Artemieva1, K S Mineev2, A S Arseniev2
1Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia; Moscow Institute of Physics and Technology, Dolgoprudny, Russia.
Researchers developed efficient methods to produce and purify the SorCS2 protein intracellular domain. This work facilitates structural studies of SorCS2, crucial for understanding neurodegenerative diseases like Alzheimer's.
Area of Science:
- Neuroscience
- Molecular Biology
- Biochemistry
Background:
- Neurotrophin signaling pathways regulate neuronal development, including cell survival and apoptosis.
- SorCS2, a receptor interacting with P75NTR, influences Trk receptor activity and is implicated in neurodegenerative diseases.
- The precise mechanisms of SorCS2 activation and its interaction with P75NTR remain unclear.
Purpose of the Study:
- To develop efficient methods for producing the intracellular domain of SorCS2.
- To establish protocols for purification and refolding of the recombinant SorCS2 protein.
- To characterize the purified SorCS2 protein for suitability in structural studies.
Main Methods:
- Bacterial expression systems for SorCS2 intracellular domain production.
- Cell-free expression systems for SorCS2 intracellular domain production.
- Purification, refolding, Dynamic Light Scattering (DLS), and Nuclear Magnetic Resonance (NMR) characterization.
Main Results:
- Successfully produced the intracellular domain of SorCS2 using both bacterial and cell-free systems.
- Established effective purification and refolding protocols for the SorCS2 protein.
- Characterized the purified SorCS2 protein using DLS and NMR, confirming its suitability for structural analysis.
Conclusions:
- Efficient methods for SorCS2 intracellular domain production and purification have been established.
- The characterized SorCS2 protein is suitable for further structural studies.
- This work provides a foundation for elucidating SorCS2's role in neurodegenerative diseases.
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