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Merck

426100

Lactacystin

≥99% (HPLC), solid, proteasome inhibitor, Calbiochem®

Sinónimos:

Lactacystin, Synthetic, Proteasome Inhibitor VI

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About This Item

Fórmula empírica (notación de Hill):
C15H24N2O7S
Número CAS:
1258004-00-0
Peso molecular:
376.43
MDL number:
MFCD01076525
UNSPSC Code:
12352200
NACRES:
NA.77

Nombre del producto

Lactacystin, Synthetic, Lactacystin, Synthetic, CAS 1258004-00-0, is an irreversible inhibitor of 20S proteasome inhibitor (IC50 = 500 nM). A covalent inhibitor of the chymotrypsin & trypsin-like activities of proteasome.

SMILES string

S(C[C@H](NC(=O)C)C(=O)O)C(=O)[C@]1(NC(=O)[C@@H]([C@@H]1O)C)[C@@H](O)C(C)C

InChI

1S/C15H24N2O7S/c1-6(2)10(19)15(11(20)7(3)12(21)17-15)14(24)25-5-9(13(22)23)16-8(4)18/h6-7,9-11,19-20H,5H2,1-4H3,(H,16,18)(H,17,21)(H,22,23)/t7-,9+,10+,11+,15+/m1/s1

InChI key

DAQAKHDKYAWHCG-AFGIITKNSA-N

assay

≥99% (HPLC)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white

solubility

DMSO: 50 mg/mL
water: soluble

shipped in

ambient

storage temp.

−20°C

Quality Level

100

Categorías relacionadas

Biochem/physiol Actions

Cell permeable: no
Primary Target
20S proteasome (MCP; multicatalytic proteinase complex)
Product does not compete with ATP.
Reversible: no
Target IC50: 500 nM against 20S proteasome; 10 µM against NF-κB activation

Disclaimer

Toxicity: Standard Handling (A)

General description

An irreversible proteasome inhibitor. A Streptomyces metabolite that acts as a highly specific inhibitor of the 20S proteasome (MCP; multicatalytic proteinase complex) (IC50 = 500 nM for 20S proteasome). Blocks proteasome activity by targeting the catalytic β-subunit. Acts as a covalent inhibitor of the chymotrypsin- and trypsin-like activities of the proteasome. Induces neurite outgrowth in Neuro 2A mouse neuroblastoma cells and inhibits progression of synchronized Neuro 2A cells and MG-63 human osteosarcoma cells beyond the G1 phase of the cell cycle. Reported to induce apoptosis in human monoblast U937 cells. Also inhibits NF-κB activation (IC50 = 10 µM).

Other Notes

Keyomarsi, K., et al. 2011. Cell. Biol. Toxicol.27, 123.
Adams, J., and Stein, R. 1996. Ann. Rep. Med. Chem.31, 279.
Dick, L.R., et al. 1996. J. Biol. Chem.271, 7273.
Oda, K., et al. 1996. Biochem. Biophys. Res.Commun.219, 800.
Fenteany, G., et al. 1995. Science268, 726.
Imajoh-Ohmi, S., et al. 1995. Biochem.Biophys. Res. Commun.217, 1070.
Jensen, T.J., et al. 1995. Cell 83, 129.
Katagiri, M.M., et al. 1995. J. Antibiot.48, 344.
Mori, S., et al. 1995. J. Biol. Chem.270, 29447.
Tanaka, H., et al. 1995. Biochem. Biophys. Res. Commun.216, 291.
Fenteany, G., et al. 1994. Proc. Natl. Acad.Sci. USA91, 3358.
Omura, S., et al. 1991. J. Antibiot.44, 117.

Preparation Note

Following reconstitution in DMSO, aliquot and freeze (-20°C). DMSO stock solutions are stable for up to 1 month at -20°C. Unstable in aqueous solutions; reconstitute in H₂O just prior to use.

Legal Information

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

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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