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Protein Purification Technique that Allows Detection of Sumoylation and Ubiquitination of Budding Yeast Kinetochore Proteins Ndc10 and Ndc80
Published on: May 3, 2015
Biochemical analysis of protein SUMOylation
Aileen Y Alontaga1, Ekaterina Bobkova, Yuan Chen
1Department of Molecular Medicine, Beckman Research Institute of the City of Hope, Duarte, California, USA.
Current Protocols in Molecular Biology
|August 9, 2012
Summary
Small Ubiquitin-like MOdifier (SUMO)ylation is a key post-translational modification regulating protein function and cellular processes. This study details in vitro methods to study SUMOylation and identify its inhibitors.
Area of Science:
- Biochemistry
- Molecular Biology
- Cell Biology
Background:
- SUMOylation is a crucial post-translational modification regulating diverse cellular functions, including gene transcription, DNA repair, and signal transduction.
- Dysregulation of SUMOylation is linked to human diseases like cancer and neurodegenerative disorders.
- The SUMOylation process involves multiple enzymatic steps for the attachment of SUMO polypeptides to target proteins.
Purpose of the Study:
- To describe and discuss in vitro biochemical methods for investigating the enzymatic steps of SUMOylation.
- To present a high-throughput screening protocol for identifying SUMOylation inhibitors.
- To provide researchers with tools for studying the SUMOylation pathway.
Main Methods:
- Detailed protocols for in vitro biochemical assays of SUMOylation steps.
- Description of enzyme-catalyzed reactions involved in SUMOylation.
- Development of a high-throughput screening method for inhibitor discovery.
Main Results:
- Established in vitro biochemical methods for analyzing SUMOylation.
- Included a protocol for high-throughput screening of SUMOylation inhibitors.
- Provided a comprehensive guide for studying the SUMOylation pathway.
Conclusions:
- The described methods enable detailed biochemical investigation of SUMOylation.
- The high-throughput screening protocol facilitates the discovery of novel SUMOylation modulators.
- This work offers valuable resources for research into SUMOylation and its role in health and disease.
