| Chapter title |
Generation of Tetracycline-Inducible Mammalian Cell Lines by Flow Cytometry for Improved Overproduction of Membrane Proteins.
|
|---|---|
| Chapter number | 5 |
| Book title |
Heterologous Expression of Membrane Proteins
|
| Published in |
Methods in molecular biology, January 2016
|
| DOI | 10.1007/978-1-4939-3637-3_5 |
| Pubmed ID | |
| Book ISBNs |
978-1-4939-3635-9, 978-1-4939-3637-3
|
| Authors |
Juni Andréll, Patricia C. Edwards, Fan Zhang, Maria Daly, Christopher G. Tate |
| Editors |
Isabelle Mus-Veteau |
| Abstract |
Overexpression of mammalian membrane proteins in mammalian cells is an effective strategy to produce sufficient protein for biophysical analyses and structural studies, because the cells generally express proteins in a correctly folded state. However, obtaining high levels of expression suitable for protein purification on a milligram scale can be challenging. As membrane protein overexpression often has a negative impact on cell viability, it is usual to make stable cell lines where the protein of interest is expressed from an inducible promoter. Here we describe a methodology for optimizing the inducible production of any membrane protein fused to GFP through the isolation of clonal cell lines. Flow cytometry is used to sort uninduced cells and the most fluorescent 5 % of the cell population are used to make clonal cell lines. |
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