High value and high purity biochemicals from The Protein Company:

  • Tris (2-carboxyethyl) phosphine hydrochloride (TCEP; >98% purity), the next generation reducing agent used to cleave disulphide bridges. Inert to metal ions used in IMAC.
  • FLAG (DYKDDDDK; >95% purity) and 3x FLAG (MDYKDHDGDYKDHDIDYKDDDDK; >95% purity) peptides for elution of FLAG tagged proteins.
  • Ultrapure isopropyl 1-thio-ß-Dgalactoyranoside (IPTG; >99.5% purity; Dioxane-free) for induction of protein expression in bacteria. IPTG promotes lactose utilization by inhibiting the LacI repressor.