BH3I-1


Catalog No. Size PriceQuantity
M12744-2 2mg solid $110
M12744-10 10mg solid $330

Description

BH3I-1 is a Bcl-2 family antagonist, which inhibits the binding of the Bak BH3 peptide to Bcl-xL with a Ki of 2.4±0.2 μM in FP assay. BH3I-1 has a Kd of 5.3 μM against the p53/MDM2 pair.

Product information

CAS Number: 300817-68-9

Molecular Weight: 400.31

Formula: C15H14BrNO3S2

Synonym:

BHI1

BH 3I1

Chemical Name: 2-[(5E)-5-[(4-bromophenyl)methylidene]-4-oxo-2-sulfanylidene-1, 3-thiazolidin-3-yl]-3-methylbutanoic acid

Smiles: CC(C)C(C(O)=O)N1C(=S)S/C(=C/C2=CC=C(Br)C=C2)/C1=O

InChiKey: COHIEJLWRGREHV-YRNVUSSQSA-N

InChi: InChI=1S/C15H14BrNO3S2/c1-8(2)12(14(19)20)17-13(18)11(22-15(17)21)7-9-3-5-10(16)6-4-9/h3-8,12H,1-2H3,(H,19,20)/b11-7+

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : ≥ 4.1 mg/mL (10.24 mM)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

BH3I-1, while inhibiting its reported target Bcl-2/Bim and Bcl-xL/Bim, shows significant inhibition of both the p53/hDM2 and p300/Hif-1α interactions. This surprising promiscuity, displays by a well studied compound leads to further interrogate the p53/hDM2 interaction utilizing a standard fluorescence polarization (FP) assay with purified protein. The results from the FP assay validates the split-luciferase screen and demonstrates that BH3I-1 has a Kd=5.3 μM against the p53/mDM2 pair, which is comparable to its low micromolar potency reported for the BH3 family of receptors. BH3I-1 inhibits interaction between the BH3 domain and Bcl-xL. NMR analyses reveal that BH3I-1 targets the BH3-binding pocket of Bcl-xL with a Ki of 7.8±0.9 μM.

References:

  1. Wang L, et al. Development of dimeric modulators for anti-apoptotic Bcl-2 proteins. Bioorg Med Chem Lett. 2008 Jan 1;18(1):236-40.
  2. Degterev A, et al. Identification of small-molecule inhibitors of interaction between the BH3 domain and Bcl-xL. Nat Cell Biol. 2001 Feb;3(2):173-82.
  3. Porter JR, et al. Profiling small molecule inhibitors against helix-receptor interactions: the Bcl-2 family inhibitor BH3I-1 potently inhibits p53/hDM2. Chem Commun (Camb). 2010 Nov 14;46(42):8020-2.

Products are for research use only. Not for human use.

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