Protein Expression
Promega protein expression products include eukaryotic and prokaryotic cell-free expression systems. Different systems are available depending on your chosen starting material (plasmid DNA, RNA or PCR DNA) and your experimental needs. To find the cell-free expression system that is best for you, use our Product Selector, or request our Protein Expression Systems Brochure.
Featured Products
Express Protein in One Hour
Simplify protein expression of sequences cloned in plasmid vectors with the new S30 T7 High-Yield Protein Expression System.
- Yields up to 500µg/ml in 1 hour
- All you need is DNA cloned into a vector containing a T7 promoter and a ribosome binding site
TNT® T7 Insect Extract Protein Expression System
Express protein directly from plasmid DNA using the new TNT T7 Insect Extract Protein Expression System.
Read more about this system View catalog listing...TNT® SP6 High-Yield
Wheat Germ System
Convenient eukaryotic cell-free expression with yields up to 100µg/ml in only two hours.
Read more about this system... View catalog listing
TNT® Quick Systems
These convenient, single-tube, coupled transcription/translation systems provide eukaryotic in vitro protein expression in 60-90 minutes.
See a quick protocol Learn more... View catalog listing...Single Step Competent Cells
Directly transform your vector into the Single Step (KRX) Competent Cells and be ready for protein expression!
Read more about Single Step View catalog listing