Date published: 2026-2-6

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Streptonigrin (CAS 3930-19-6)

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Alternate Names:
Streptonigrin is also known as Bruneomycin.
Application:
Streptonigrin is an aminoquinone antitumour antibiotic and phenylpyridylquinoline apoptosis inducer.
CAS Number:
3930-19-6
Purity:
≥95%
Molecular Weight:
506.46
Molecular Formula:
C25H22N4O8
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Streptonigrin is an aminoquinone antitumour antibiotic and phenylpyridylquinoline. The antineoplastic activity of Streptonigrin requires reductive activation by Xanthine-converting enzymes. Streptonigrin induces apoptosis by a mechanism involving NF-kB. Streptonigrin (10 μg/ml) inhibits DNA synthesis in and reduces survival of S. typhimurium bacteria. Streptonigrin is also known as Bruneomycin, Nigrin, SN, and (4R)-5-amino-6-(7-amino-5,8-dihydro-6-methoxy-5,8-dioxo-2-quinolinyl)-4-(2-hydroxy-3,4-dimethoxyphenyl)-3-methyl-2-pyridinecarboxylic acid.


Streptonigrin (CAS 3930-19-6) References

  1. Isolation of streptonigrin and its novel derivative from Micromonospora as inducing agents of p53-dependent cell apoptosis.  |  Wang, H., et al. 2002. J Nat Prod. 65: 721-4. PMID: 12027749
  2. Antitumor antibiotic streptonigrin and its derivatives as inhibitors of nitric oxide-dependent activation of soluble guanylyl cyclase.  |  Severina, IS., et al. 2004. Eur J Pharmacol. 483: 127-32. PMID: 14729099
  3. Streptonigrin inhibits β-Catenin/Tcf signaling and shows cytotoxicity in β-catenin-activated cells.  |  Park, S. and Chun, S. 2011. Biochim Biophys Acta. 1810: 1340-5. PMID: 21763403
  4. Streptonigrin induces delayed chromosomal instability involving interstitial telomeric sequences in Chinese hamster ovary cells.  |  Mencucci, MV., et al. 2012. Mutat Res. 747: 46-52. PMID: 22504371
  5. Characterization of streptonigrin biosynthesis reveals a cryptic carboxyl methylation and an unusual oxidative cleavage of a N-C bond.  |  Xu, F., et al. 2013. J Am Chem Soc. 135: 1739-48. PMID: 23301954
  6. The radiomimetic compound streptonigrin induces persistent telomere dysfunction in mammalian cells.  |  Paviolo, NS., et al. 2014. Mutat Res. 760: 16-23. PMID: 24406867
  7. Insights into the mechanism of streptonigrin-induced protein arginine deiminase inactivation.  |  Dreyton, CJ., et al. 2014. Bioorg Med Chem. 22: 1362-9. PMID: 24440480
  8. Identification of (2S,3S)-β-Methyltryptophan as the Real Biosynthetic Intermediate of Antitumor Agent Streptonigrin.  |  Kong, D., et al. 2016. Sci Rep. 6: 20273. PMID: 26847951
  9. Streptonigrin Inhibits SENP1 and Reduces the Protein Level of Hypoxia-Inducible Factor 1α (HIF1α) in Cells.  |  Ambaye, N., et al. 2018. Biochemistry. 57: 1807-1813. PMID: 29481054
  10. StnK2 catalysing a Pictet-Spengler reaction involved in the biosynthesis of the antitumor reagent streptonigrin.  |  Wang, X., et al. 2018. Org Biomol Chem. 16: 9124-9128. PMID: 30483694
  11. Protein Arginine Deiminases (PADs): Biochemistry and Chemical Biology of Protein Citrullination.  |  Mondal, S. and Thompson, PR. 2019. Acc Chem Res. 52: 818-832. PMID: 30844238
  12. Streptonigrin at low concentration promotes heterochromatin formation.  |  Loyola, AC., et al. 2020. Sci Rep. 10: 3478. PMID: 32103104
  13. A novel streptonigrin type alkaloid from the Streptomyces flocculus CGMCC 4.1223 mutant ΔstnA/Q2.  |  Wang, X., et al. 2022. Nat Prod Res. 36: 3337-3345. PMID: 33280413
  14. Streptonigrin-induced topoisomerase II sites exhibit base preferences in the middle of the enzyme stagger.  |  Leteurtre, F., et al. 1994. Biochem Biophys Res Commun. 203: 1259-67. PMID: 8093042
  15. The structure of streptonigrin semiquinone in solution.  |  Soedjak, H., et al. 1997. Biochim Biophys Acta. 1335: 73-90. PMID: 9133644

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Streptonigrin, 1 mg

sc-500892
1 mg
$104.00

Streptonigrin, 5 mg

sc-500892A
5 mg
$364.00