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Eukaryotic membrane proteins are often difficult to produce in large quantities, which is a significant obstacle for further structural and biochemical investigation. Based on the analysis of 43 eukaryotic membrane proteins, we present a cost-effective high-throughput approach for rapidly screening membrane proteins that can be overproduced to levels of >1 mg per liter in Saccharomyces cerevisiae. We find that 70% of the well expressed membrane proteins tested in this system are stable, targeted to the correct organelle, and monodisperse in either Fos-choline 12 (FC-12) or n-dodecyl-beta-D-maltoside. We illustrate the advantage of such an approach, with the purification of monodisperse human and yeast nucleotide-sugar transporters to unprecedented levels. We estimate that our approach should be able to provide milligram quantities for at least one-quarter of all membrane proteins from both yeast and higher eukaryotic organisms.

Original publication




Journal article


Proc Natl Acad Sci U S A

Publication Date





13936 - 13941


Gene Expression Regulation, Fungal, Genes, Reporter, Membrane Proteins, Microscopy, Confocal, Plasmids, Recombinant Fusion Proteins, Recombinant Proteins, Saccharomyces cerevisiae, Saccharomyces cerevisiae Proteins