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539690

Sigma-Aldrich

Protein Synthesis Initiation Inhibitor, NSC 119889

The Protein Synthesis Initiation Inhibitor, NSC 119889 blocks 5′-mediated/cap-dependent initiation of protein synthesis. This small molecule/inhibitor is primarily used for Protease Inhibitors applications.

Synonym(s):

Protein Synthesis Initiation Inhibitor, NSC 119889, 3,4,5,6-Tetrabromofluorescein

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About This Item

Empirical Formula (Hill Notation):
C20H8Br4O5
Molecular Weight:
647.89
UNSPSC Code:
12352202
NACRES:
NA.77

Quality Level

100

Assay

≥95% (HPLC)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
protect from light

color

light brown

solubility

DMSO: 200 mg/mL
methanol: soluble

shipped in

ambient

storage temp.

2-8°C

General description

A cell-permeable, xanthenyl compound that prevents mRNA-ribosome interaction and inhibits 5’-mediated/cap-dependent initiation of protein synthesis (>95% inhibition at 50 µM in in vitro translation assays using Krebs, rabbit reticulocyte, or E. coli S30 extract).
A cell-permeable, xanthenyl compound that prevents mRNA-ribosome interaction and inhibits 5′-mediated/cap-dependent initiation of protein synthesis (>95% inhibition at 50 µM in in vitro translation assays using Krebs, rabbit reticulocyte, or E. coli S30 extract).

Biochem/physiol Actions

Cell permeable: yes
Primary Target
human arginine methyl transferase
Product does not compete with ATP.
Reversible: no
Target IC50: 1.41 µM against human arginine methyl transferase

Warning

Toxicity: Irritant (B)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.

Other Notes

Novac, O., et al. 2004. Nucleic Acids Res.32, 902.
Tan, Y.J., et al. 2003. J. Cancer Res. Clin. Oncol.129, 437.

Legal Information

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

539690-25MG:
539690-MG:
539690-5UNMG:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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