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R5636

Sigma-Aldrich

Ribonucleic acid, transfer from baker′s yeast (S. cerevisiae)

buffered aqueous solution

Synonyme(s) :

Transfer RNA, tRNA

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About This Item

Numéro CAS:
Numéro MDL:
Code UNSPSC :
12352106
Nomenclature NACRES :
NA.55

Qualité

for molecular biology

Niveau de qualité

Forme

buffered aqueous solution

Concentration

≥9 mg/mL

Activité étrangère

DNase, Nickase, none detected

Conditions d'expédition

dry ice

Température de stockage

−20°C

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Description générale

Transfer RNA (tRNA) is isolated from baker′s yeast by phenol-chloroform extraction and ethanol precipitation. tRNAs are approximately 80 nucleotides long RNA molecules with a cloverleaf shaped secondary structure and a tertiary L-shaped structure.

Application

Suitable for use as a carrier in nucleic acid purification and precipitation.
Ribonucleic acid, transfer from baker′s yeast (S. cerevisiae) has been used:
  • in carrier solution as a part of control used for reverse transcriptase – quantitative polymerase reaction (RT-qPCR) assay
  • as a component of prehybridization(4) and hybridization buffer in single-label in situ hybridization
  • as a carrier to enhance recovery of RNA from small numbers of cells

Actions biochimiques/physiologiques

Transfer RNAs (tRNAs) play an important role in translation. It is responsible for the addition of amino acids to ribosome for peptide chain formation. The tRNA contains an anticodon region for mRNA base pairing and two attachment regions: for amino acid binding and tRNA synthetase recognition. The ribosomal RNA facilitates the movement of tRNA along the mRNA.

Composants

tRNA is provided in a solution in 10 mM Tris HCl (pH 7.4) in 1 mM EDTA.

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