Enzymes for Research, Diagnostic and Industrial Use


Cat No.
SNX-2112 is an ATP-competitve inhibitor of Hsp90α and Hsp90β with Ka values of both 30 nM.
Product Overview
SNX-2112 is a potent inhibitor of synthetic heat shock protein (Hsp 90) with IC50 value of 30 nM. HSP90 (heat shock proteins) is widely expressed as a molecular chaperone. It plays an important role in the folding and stabilization of cellular proteins. HSP90 protects client proteins from degradation and maintains them in an active conformation. Many clientsof HSP90 are transcription factors or protein kinases such as: Bcr-Abl, tyrosine kinas, EGFR family members, IGF1-R, c-Met, steroid hormone receptors, p53, Mdm2 and telomerase. In a variety of cancers, overexpressed hsp90 has been detected. Hsp90 also play an important role in maintaining the transformed phenotype of cancer cell. So, Hsp 90 is one attractive target for cancer therapy. SNX-2112 is a potent inhibitor of Hsp 90 in different cancer cell lines. In the MTT assay, SNX-2112 inhibited A-375 cells with IC50 values of 1.25 μM at 48h. In the western blot assay, 0.2 M SNX-2112 significantly reduced several growth-related Hsp90 client proteins such as Akt, p-Akt, IKKα, B-Raf, Erk1/2, p-Erk1/1, GSK3β and Chk1 in a time-dependent manner after 24h treatment. In the DAPI staining and the TUNEL assay, conclusive double-stranded DNA fragmentation were produced after exposure to 0.2 μM SNX-2112.Moreover, in the cell cycle assays, in 3 MET-amplified tumor cell lines (GTL-16, MKN-45 and EBC-1), 50nM SNX-2112 induced G1 arrest while in higher concentration such as 100 and 1000nM, more cells accumulated in G2 phase. In pediatric cancer cell lines (SK-N-DZ, SK-N-AS, BE(2)-C, Saos-2, SK-N-SH, and U-2-OS) SNX-2112 showed inhibition properties at IC50 values ranging from 20-40 nM.
Molecular Weight
Store at -20°C
30 nM (Ka); 30 nM (Ka)
Molecular Formula
Chemical Name
Soluble in DMSO > 10 mM
Shipping Conditions
Evaluation sample solution: ship with blue ice. All other available size: ship with RT, or blue ice upon request
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