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R1158

Ribonuclease Inhibitor

Name: Ribonuclease Inhibitor
Brand: SIGMA

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

Sinónimos:

RNAse inhibitor

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UNSPSC Code:

12352200

NACRES:

NA.52

MDL number:

MFCD00132187

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Propiedades

recombinant

expressed in E. coli

Quality Segment

300

grade

Molecular Biology

form

buffered aqueous solution

mol wt

~50 kDa

concentration

20-40 units/μL

shipped in

dry ice

storage temp.

−20°C

Descripción

General description

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).

Application

Useful for in vitro inhibition of ribonucleases, including procedures like cDNA synthesis, RT-PCR, and in vitro transcription and translation.

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)

Biochem/physiol Actions

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

Physical form

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

Other Notes

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.

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

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

Clase de almacenamiento

10 - Combustible liquids

flash_point_f

Not applicable

flash_point_c