Mithramycin A

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Cat.No. 1489 - Mithramycin A | C52H76O24 | CAS No. 18378-89-7
Description: Inhibitor of DNA and RNA polymerase
Chemical Name: (1S)-5-Deoxy-1-C-[(2S,3S)-7-[[2,6-dideoxy-3-O-(2,6-dideoxy-β-D-arabino-hexopyranosyl)-β-D-arabino-hexopyranosyl]oxy]-3-[(O-2,6-dideoxy-3-C-methyl-β-D-ribo-hexopyranosyl-(1.fwdarw.3)-O-2,6-dideoxy-β-D-lyxo-hexopyranosyl-(1.fwdarw.3)-2,6-dideoxy-β-D-arabino-hexopyranosyl)oxy]-1,2,3,4-tetrahydro-5,10-dihydroxy-6-methyl-4-oxo-2-anthracenyl]-1-O-methyl-D-threo-2-pentulose
Purity: ≥95% (HPLC)
Citations (5)

Biological Activity

Anticancer antibiotic that selectively binds to G-C-rich DNA in the presence of Mg2+ or Zn2+, inhibiting RNA and DNA polymerase action. Inhibits c-myc expression and induces myeloid differentiation of HL-60 promyelocytic leukemia cells.

Technical Data

M. Wt 1085.16
Formula C52H76O24
Storage Desiccate at -20°C
Purity ≥95% (HPLC)
CAS Number 18378-89-7
PubChem ID 90479798
Smiles OC1=C2C(C=C3C(C([C@@H](OC5OC(C)C(O)C(OC6OC(C)C(O)C(OC7OC(C)C(O)C(O)(C)C7)C6)C5)[C@@]([C@H](OC)C([C@@H](O)[C@H](O)C)=O)([H])C3)=O)=C2O)=CC(O[C@@H]4OC(C)C(O)C(OC8OC(C)C(O)C(O)C8)C4)=C1C

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 54.26 50

Preparing Stock Solutions

The following data is based on the product molecular weight 1085.16. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 0.92 mL 4.61 mL 9.22 mL
5 mM 0.18 mL 0.92 mL 1.84 mL
10 mM 0.09 mL 0.46 mL 0.92 mL
50 mM 0.02 mL 0.09 mL 0.18 mL

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Product Datasheets

Certificate of Analysis / Product Datasheet
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Safety Datasheet


References are publications that support the products' biological activity.

Demicheli and Garnier-Suillerot (1991) Mithramycin cannot bind to left-handed poly(dG-m5dC) in the presence of Mg2+ ion. Biochem.Biophys.Res.Commun. 177 511 PMID: 1828342

Miller et al (1987) Mithramycin selectively inhibits transcription of G-C containing DNA. Am.J.Med.Sci. 294 388 PMID: 2962490

Ray et al (1990) Mithramycin selectively inhibits the transcriptional activity of a transfected human c-myc gene. Am.J.Med.Sci. 300 203 PMID: 2147360

If you know of a relevant reference for Mithramycin A, please let us know.

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5 Citations for Mithramycin A

Citations are publications that use Tocris products. Selected citations for Mithramycin A include:

Huang et al (2012) Prostaglandin E2 increases fibroblast gene-specific and global DNA methylation via increased DNA methyltransferase expression. FASEB J 26 3703 PMID: 22645246

Corsini et al (2007) Role of SP-1 in SDS-induced adipose differentiation related protein synthesis in human keratinocytes. Gene Regul Syst Bio 1 207 PMID: 19936089

Duverger et al (2004) The anticancer drug mithramycin A sensitises tumour cells to apoptosis induced by tumour necrosis factor (TNF). Cell Death Dis 90 2025 PMID: 15138489

Oh et al (2015) Arachidonic acid promotes skin wound healing through induction of human MSC migration by MT3-MMP-mediated fibronectin degradation. J Neurosci 6 e1750 PMID: 25950480

Siddesha et al (2014) Acetylsalicylic acid inhibits IL-18-induced cardiac fibroblast migration through the induction of RECK. J Cell Physiol 229 845 PMID: 24265116

Do you know of a great paper that uses Mithramycin A from Tocris? If so please let us know.

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