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Small-Scale Immunoprecipitation from Fission Yeast Cell Extracts
Agnes Grallert1, Iain M Hagan1
1CRUK Cell Division Group, Cancer Research UK Manchester Institute, University of Manchester, Manchester M20 4BX, United Kingdom Agnes.Grallert@cruk.manchester.ac.uk Iain.Hagan@cruk.manchester.ac.uk.
Cold Spring Harbor Protocols
|February 3, 2017
Summary
This study details immunoprecipitation (IP) methods for isolating molecules from cells under native or denaturing conditions. Optimized buffer conditions are crucial for successful IP assays, with three starting buffers provided.
Area of Science:
- Biochemistry
- Molecular Biology
- Immunology
Background:
- Immunoprecipitation (IP) is a vital technique for isolating specific molecules from complex biological samples.
- Optimizing IP requires careful consideration of buffer conditions due to diverse molecular interactions.
Purpose of the Study:
- To describe robust procedures for immunoprecipitation of target molecules from cell extracts.
- To provide guidance on optimizing IP assays for various molecular targets and conditions.
Main Methods:
- Detailed protocols for performing immunoprecipitation under native and denaturing conditions.
- Utilizing antibodies that target either the molecule of interest directly or a fused epitope tag.
- Empirical assessment of various buffer conditions to identify optimal assay parameters.
Main Results:
- Established effective IP procedures applicable to both direct and epitope-tagged targets.
- Identified three distinct buffer conditions as effective starting points for assay optimization.
- Provided insights into common buffer modifications for enhancing IP assay performance.
Conclusions:
- The described immunoprecipitation methods are versatile and effective for a range of applications.
- Empirical optimization of buffer conditions is essential for successful immunoprecipitation assays.
- The provided buffers and optimization strategies serve as a valuable resource for researchers.
