Description_x000D_ General description_x000D_ Chemical structure: peptide_x000D_ Packaging_x000D_ 1 g in poly bottle_x000D_ Application_x000D_ Thiostrepton has been used as a selectable marker for recombinant Streptomyces cultures,,._x000D_ Biochem/physiol Actions_x000D_ Peptide antibiotic that prevents the binding of elongation factor G (EF-G) and GTP to the 50S ribosomal subunit._x000D_ Preparation Note_x000D_ Thiostrepton dissolves in acetic acid at 25 mg/ml to yield a clear to hazy, yellow-yellow brown solution.