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Products
Bioreactors
Protein Stability
Applications
Our Lex bioreactors have been used to express thousands of distinct proteins, leading to over 300 structures in the PDB, including human and parasitic proteins. At least 10 different strains of E. coli have been successfully used, along with yeast. Many users employ standard IPTG-induction protocols, while others prefer auto-induction.

The Stargazer system is being used by scientists in pharmaceutical companies and academic laboratories to

  • screen for ligands for some of these proteins,
  • find optimization buffer conditions for protein stabilization, including for membrane proteins
  • and for lead optimization in drug discovery projects.

The following publications describe in some detail how Harbinger systems are used:

  1. Vedadi M et al. Chemical screening methods to identify ligands that promote protein stability, protein crystallization, and structure determination. Proc Natl Acad Sci U S A. 2006 Oct 24;103(43):15835-40.
  2. Senisterra GA et al. Screening for ligands using a generic and high-throughput light-scattering-based assay. J Biomol Screen. 2006 Dec;11(8):940-8.
  3. Vedadi M et al. Genome-scale protein expression and structural biology of Plasmodium falciparum and related Apicomplexan organisms. Mol Biochem Parasitol. 2007 Jan;151(1):100-10.
  4. Hong BS et al. Crystal structures of human pantothenate kinases. Insights into allosteric regulation and mutations linked to a neurodegeneration disorder. J Biol Chem. 2007 Sep 21;282(38):27984-93.
  5. Dufe et al. Crystal structure of Plasmodium falciparum spermidine synthase in complex with the substrate decarboxylated S-adenosylmethionine and the potent inhibitors 4MCHA and AdoDATO. J Mol Biol. 2007 Oct 12;373(1):167-77.
  6. Graslund et al. The use of systematic N- and C-terminal deletions to promote production and structural studies of recombinant proteins. Protein Expr Purif. 2007 Nov 22.
© 2006-2010 Harbinger Biotechnology and Engineering Corporation