506155

Pifithrin-μ

A cell-permeable sulfonamide that blocks p53 interaction with Bcl-xL and Bcl-2 proteins and selectively inhibits p53 translocation to mitochondria without affecting the transactivation function of p53.

• Synonym(e): Pifithrin-μ, Phenylacetylenylsulfonamide, Hsp70 Inhibitor I
• Empirische Formel (Hill-System): C₈H₇NO₂S
• CAS-Nummer: 64984-31-2
• Molekulargewicht: 181.21
• UNSPSC Code: 12352200
• NACRES: NA.77
• MDL number: MFCD00181531
• Assay: ≥95% (HPLC)
• Form: solid
• Storage condition: OK to freeze, protect from light

Eigenschaften

• Quality Segment: 100
• assay: ≥95% (HPLC)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze, protect from light
• color: off-white
• solubility: DMSO: 50 mg/mL
• shipped in: ambient
• storage temp.: 2-8°C
• SMILES string: [S](=O)(=O)(N)C#Cc1ccccc1
• InChI: 1S/C8H7NO2S/c9-12(10,11)7-6-8-4-2-1-3-5-8/h1-5H,(H2,9,10,11)
• InChI key: ZZUZYEMRHCMVTB-UHFFFAOYSA-N

Beschreibung

General description

A cell-permeable sulfonamide that blocks p53 interaction with Bcl-xL and Bcl-2 proteins and selectively inhibits p53 translocation to mitochondria without affecting the transactivation function of p53. Effectively protects against γ radiation-induced cell death in vitro and animal lethality in vivo. Because Pifithrin-μ targets only the mitochondrial branch of the p53 pathway without affecting the important transcriptional functions of p53, it is superior to Pifithrin-α (Cat. No. 506132) in in vivo studies. Shown to selectively interact with inducible HSP70 and disrupt its functions.

Biochem/physiol Actions

Cell permeable: yes

Primary Target
p53 interaction with Bcl-xL and Bcl-2 proteins

Product does not compete with ATP.

Reversible: no

Packaging

Packaged under inert gas

Preparation Note

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

Leu, J., et al. 2009. Mol. Cell36, 15.
Strom, E., et al. 2006. Nat. Chem. Biol.2, 474.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Standard Handling (A)

Sicherheitshinweise

• pictograms: GHS07
• signalword: Warning
• hcodes: H302
• pcodes: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable