Our mission at Protein RST, LLC is to develop high quality biologically active recombinant proteins, protein-related products, and protein research technologies for scientific research and industrial applications. Our focuses are on producing difficult recombinant proteins in E. coli to amount sufficient for protein structural determination and large scale biochemical applications. Protein RST, LLC provides research scientists with custom protein research services of toxic protein expression in E. coli, DNA cloning, protein purification and protein engineering. The research programs at Protein RST, LLC develop novel brand protein products and technologies by combinational research of structural biology, DNA recombination technologies, and protein chemistry, including methods of expressing SDS-PAGE-undetectable recombinant proteins in E. coli, protein engineering, and developing bio-detection technologies.