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Key Documents

R1158

Sigma-Aldrich

Ribonuclease Inhibitor

recombinant, expressed in E. coli, 20-40 units/μL

Sinonimo/i:

RNAse inhibitor

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About This Item

Numero MDL:
Codice UNSPSC:
12352200
NACRES:
NA.52

Ricombinante

expressed in E. coli

Livello qualitativo

Grado

for molecular biology

Forma fisica

buffered aqueous solution

PM

~50 kDa

Concentrazione

20-40 units/μL

Condizioni di spedizione

dry ice

Temperatura di conservazione

−20°C

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Descrizione generale

Ribonuclease inhibitor works to inhibit RNase activity by forming a tight, non-covalent 1:1 complex. It is derived from E. coli which expresses portions of the human placental ribonuclease inhibitor. It inhibits RNases A, B, and C. It will not inhibit RNases H, 1, T1, S1 Nuclease, SP6, T7 RNA Polymerase, T3 RNA Polymerase, AMV Reverse Transcriptase, M-MLV Reverse Transcriptase, or Taq Polymerase. The inhibitor can be removed by phenol extraction or by heating to 65°C for 10 minutes. The pH range for inhibition is pH 5.5–9 (highestinhibition at pH 7–8).

Applicazioni

Ribonuclease Inhibitor is suitable for use in useful for in vitro inhibition of ribonucleases, including procedures like:

  • cDNA synthesis from mRNA
  • reverse transcriptase polymerase chain reaction (RT-PCR)
  • in vitro transcription and translation
  • mRNA protection from degradation
  • formaldehyde cross-linked lncRNA purification
  • RNA-fluorescence in situ hybridization (FISH)
Useful for in vitro inhibition of ribonucleases, including procedures like cDNA synthesis, RT-PCR, and in vitro transcription and translation.

Azioni biochim/fisiol

Inhibits RNase by forming a tight, non-covalent 1:1 complex.

Componenti

Ribonuclease Inhibitor is provided as a solution in 20 mM HEPES-KOH( pH 7.6), 50 mM KCl, 8 mM DTT and 50% glycerol.

Definizione di unità

One unit will reduce the activity of 5 ng of ribonuclease A by 50% in a cytidine 2′:3′-cyclic monophosphate system.

Stato fisico

Solution in 20 mM HEPES-KOH, pH 7.6, 50 mM KCl, 8 mM DTT and 50% glycerol.

Altre note

  • Denaturing conditions (i.e., urea or temperatures ≥50 °C) should be avoided as they may cause a release of active ribonuclease from the complex.
  • This product is for R&D use only, not for drug, household, or other uses.

Prodotti correlati

N° Catalogo
Descrizione
Determinazione del prezzo

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


Certificati d'analisi (COA)

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