E1131
Exonuclease III from Escherichia coli BE25 /psGR3
buffered aqueous glycerol solution
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About This Item
Prodotti consigliati
Grado
Molecular Biology
for molecular biology
Stato
buffered aqueous glycerol solution
PM
28 kDa
N° accesso UniProt
Temperatura di conservazione
−20°C
Informazioni sul gene
Escherichia coli K12 ... xthA(946254)
Descrizione generale
A 3′→5′ exonuclease which catalyzes the removal of mononucleotides from the 3′-end of dsDNA. The enzyme also has apurinic and apyrimidinic endonuclease, 3′-DNA phosphatase, and RNase H activities. Activity is strongly dependent on temperature, salt concentration, and the ratio of enzyme to DNA, therefore reaction conditions must be optimized for specific applications.
Applicazioni
Suitable for:
- Production of strand specific probes
- Preparation of single stranded templates for Sanger dideoxy sequencing
- Site directed mutagenesis
Componenti
Exonuclease III is supplied as a solution in 5 mM potassium phosphate (pH 6.5), 200 mM KCl, 0.05 mM EDTA, 5 mM 2-mercaptoethanol, 200 μg/ml BSA, and 50% glycerol.
Definizione di unità
One unit releases 1 nmole of acid-soluble nucleotides from sonicated calf thymus DNA in 30 min at 37 °C.
Prodotti correlati
N° Catalogo
Descrizione
Determinazione del prezzo
Codice della classe di stoccaggio
12 - Non Combustible Liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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Ying Chen et al.
Chemical communications (Cambridge, England), 47(48), 12798-12800 (2011-11-15)
The presence of exonuclease III leads to direct recycling and reuse of the target DNA, which in turn results in substantial signal amplification for highly sensitive, label-free impedimetric detection of specific DNA sequences.
Peng Hu et al.
Biosensors & bioelectronics, 34(1), 83-87 (2012-03-03)
We report here a graphene oxide (GO)-based fluorescent aptasensor for adenosine detection by employing exonuclease III (Exo III) as a signal amplifying element. In the absence of adenosine, the adenosine aptamers hybridized with the complementary DNA (cDNA), and the Exo
Sai Bi et al.
Chemical communications (Cambridge, England), 48(7), 1018-1020 (2011-12-07)
The network consisting of three kinds of unlabeled stem-loop DNA molecular beacons (MBs) is activated by target DNA in the presence of exonuclease-III (Exo-III), achieving the concept of exonuclease-assisted cascaded recycling amplification (Exo-CRA) for DNA detection with a wide dynamic
L H Guo et al.
Nucleic acids research, 10(6), 2065-2084 (1982-03-25)
We describe improve enzymatic methods for sequencing method for sequencing DNA. They are based on partial digestion of duplex DNA with exonuclease III to produce DNA molecules with 3' ends shortened to varying lengths, followed by repair synthesis to extend
Xiaofeng Wei et al.
Chemical communications (Cambridge, England), 48(49), 6184-6186 (2012-05-17)
Based on the specific folic acid-folate receptor (FA-FR) interaction, macromolecular FR can bind with FA-linked DNA-small molecule chimeras, which can prevent enzymolysis by exonuclease III (Exo III), enabling a novel fluorescence biosensor for FR to be developed using quinaldine red
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