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MSSAFE

Sigma-Aldrich

Protease and Phosphatase Inhibitor Cocktail

MS-SAFE, powder, Protease inhibitors: serine, cysteine and aspartic proteases and metalloproteases. Phosphatase inhibitors: tyrosine, serine/threonine, acid and alkaline phosphatases.

Sinônimo(s):

Mass Spectrometry Safe Protease and Phosphatase Inhibitor Cocktail

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About This Item

Código UNSPSC:
12352200
NACRES:
NA.77

product name

MS-SAFE Protease and Phosphatase Inhibitor,

descrição

for use with mammalian cell and tissue extract, lyophilized powder

forma

powder

solubilidade

water: 0.1 g/mL, clear, colorless

temperatura de armazenamento

2-8°C

Descrição geral

Mass spectrometry (MS) compatible protease inhibitor cocktail and phosphatase inhibitor cocktail, with broad specificity for the inhibition of:
  • Serine, cysteine and aspartic proteases, and metalloproteases
  • Tyrosine, serine/threonine, acid and alkaline phosphatases
All inhibitors and fillers were chosen so as not to interfere with LC-MS analyses. Any inhibitors capable of covalent, irreversible protein modification were avoided. This cocktail is EDTA-free. All inhibitors were selected to allow facile downstream sample processing, such as immobilized metal affinity chromatography (IMAC) for His-tagged protein purification and, uniquely, phosphopeptide enrichment.

Especificidade

Protease inhibitors: serine, cysteine and aspartic proteases, and metalloproteases
Phosphatase inhibitors: tyrosine, serine/threonine, acid and alkaline phosphatases

Aplicação

MS-SAFE Protease and Phosphatase Inhibitor has been used to measure ribosomal protein S6 kinase (S6K) activity.
Tested in mammalian cell lysates and liver tissue extracts. Designed for use in samples to be analyzed by mass spectrometry.

Características e benefícios

Comprehensive protease and phosphatase inhibitor cocktail for mass spectrometry analysis

Compatible with downstream sample processing such as His-tagged protein purification and phosphopeptide enrichment

Allows accurate measurement of protein activity and identification of phosphorylation sites.

Componentes

Protease inhibitors:
  • Bestatin hydrochloride
  • Leupeptin
  • Phosphoramidon disodium salt
  • Pepstatin A
  • Elastatinal
  • Aprotinin
  • Nafamostat mesylate
  • Antipain
Phosphatase inhibitors
  • Okadaic acid
  • Sodium fluoride
  • Sodium orthovanadate
  • Bromotetramisole oxalate
Fillers
  • β-lactose
  • DL-leucine

Quantidade

One vial makes 20 mL of 1× inhibitor cocktail working solution, using either water or extraction/lysis buffer. Alternatively, a 10× concentrated solution may be prepared by adding 2 mL of water or extraction/lysis buffer. This 10× solution may then be diluted 10-fold into extraction/lysis buffer as needed for a 1× working solution.

forma física

Lyophilized powder that is water-soluble

Pictogramas

Exclamation mark

Palavra indicadora

Warning

Frases de perigo

Classificações de perigo

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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Conteúdo relacionado

Select different protease inhibitor types based on your needs to prevent protein degradation during isolation and characterization and safeguard proteins in sample prep.

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