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You are here:Home » Biochemicals » Biochem-Antibiotics » Steffimycin B (Antibiotic U 40615)

Steffimycin B (Antibiotic U 40615)


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Steffimycin B is a anthracycline metabolite isolated from a Streptomyces sp. displaying antibacterial and antineoplastic properties. Binding to DNA, crystallographic studies suggest that it has a higher CpG base sequence specificity over the TpA step, similar to that of daunorubicin and nogalamycin. A close analogue was shown to be active against ras oncogene-expressed cells.
Catalog #S7972-84
Purity >99% by HPLC
Solubility Soluble in ethanol, methanol, DMF or DMSO.
CAS Number54526-94-2
Molecular FormulaC29H32O13
Molecular Weight588.6
SourceStreptomyces sp.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate namesAntibiotic U 40615

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