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RevertAid H Minus Reverse Transcriptase

Kód produktu: EP0451 Kód výrobce: EP0451 Kód dodavatele: {E7E0AA16-C792-48B2-B670-64E3B73B071D} Výrobce: Life Technologies Czech Republic s.r.o.
5 674,90 Kč
4 690,00 Kč bez DPH
do týdne

. A recombinant M-MuLV RT lacking RNase H activity for high yield cDNA synthesis.

Zobraz detailní popis

Detailní popis

Thermo Scientific RevertAid H Minus Reverse Transcriptase is a  recombinant M-MuLV RT. The enzyme possesses an RNA-dependent and DNA-dependent polymerase activity, but lacks RNase H activity due to a  point mutation in the RNase H domain (see References 1, 2). RevertAid H Minus Reverse Transcriptase does not degrade RNA in RNA-DNA hybrids during synthesis of the first strand cDNA, and therefore high yields of full-length cDNA from long templates are obtained. RevertAid H  Minus Reverse Transcriptase maintains activity over a wide temperature range (42 to 50°C).

Highlights

  • High yields of full-length first strand cDNA up to 13 kb
  • Optimum activity at 42 to 45°C
  • Active up to 55°C
  • Incorporates modified nucleotides (e.g., Cy3-, Cy5-, rhodamine-, aminoallyl-, fluorescein-labeled nucleotides)

Applications

  • First strand cDNA synthesis for RT-PCR and real-time RT-PCR (see Reference 3)
  • Reverse transcription at elevated temperatures to reduce effects of secondary structure
  • Synthesis of cDNA for cloning and expression
  • Generation of labeled cDNA probes for microarrays
  • DNA labeling (see​ Reference 3)
  • Analysis of RNA by primer extension (see​ Reference 3)

Includes

  • RevertAid H Minus Reverse Transcriptase (200 U/μL) is supplied in storage buffer including: 50 mM Tris-HCl (pH 7.5), 0.1 M NaCl, 1 mM EDTA, 5 mM DTT, 0.1% (v/v) Triton X-100, and 50% (v/v) glycerol
  • 5X Reaction Buffer: 250 mM Tris-HCl (pH 8.3 at 25°C), 250 mM KCl, 20 mM MgCl2, 50 mM DTT)

Note

Definition of Activity Unit
  • One unit of the enzyme incorporates 1 nmol of dTMP into a polynucleotide fraction (adsorbed on DE-81) in 10 minutes at 37°C.
  • Enzyme activity is assayed in the following mixture: 50 mM Tris-HCl (pH 8.3), 4 mM MgCl2, 10 mM DTT, 50 mM KCl, 0.5 mM dTTP, 0.4 MBq/mL [3H]-dTTP, 0.4 mM polyA·oligo(dT)12-18.
Hazardous No
Inactivation Inactivated by heating at 70°C for 10 minutes.
Inhibition Metal chelators, inorganic phosphate, pyrophosphate, and polyamines (see Reference 2)
Molecular Weight 76.1 kDa monomer
Quality Control
  • The absence of endo-, exodeoxyribonucleases, phosphatases, and ribonucleases confirmed by appropriate quality tests.
  • Functionally tested in first strand cDNA synthesis and RT-PCR.
Source E. coli cells carrying a cloned fragment of the mutated pol gene encoding Moloney Murine Leukemia Virus reverse transcriptase.
Storage Condition -20 C

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