Pfu DNA Polymerase-DNA Polymerase

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Pfu DNA Polymerase

Qty


Total
$169
Catalog #
ENPS-272
Size
Description
Pfu DNA Polymerase is a thermo-stable enzyme having a Mw of about 90kDa. Pfu DNA Polymerase is derived from E. coli that and cloned from Pyrococcus furiosus strain Vc1 DSM3638. Pfu DNA Polymerase replicates DNA at 75°C, catalyzing the polymerization of nucleotides into duplex DNA in the 5
Additional Information
IntroductionPfu DNA polymeraseenzyme is found in the hyperthermophilic archaeonPyrococcus furiosus, where it functions in vivoto replicate the organism's DNA. In vitro, Pfu is used to swiftly amplify DNAin the Polymerase Chain Reaction, where the enzyme serves the central function of copying a new strand of DNA during each extension step. Pfu DNA polymerase has superior thermostability and 'proofreading' properties compared to other thermostable polymerases. Unlike Taq DNA polymerase, Pfu DNA polymerase possesses 3' to 5' exonuclease proof reading activity, meaning that it works its way along the DNA from the 5' endto the 3' endand corrects nucleotidemisin corporation errors. Pfu DNA polymerase-generated PCRfragments will have fewer errors than Taq-generated PCR inserts. As a result, Pfu is more commonly used for molecular cloning of PCR fragments than the historically popular Taq. Pfu DNA polymerase is superior for techniques that require high-fidelity DNA synthesis, but can also be used in conjunction with Taq polymerase to obtain the fidelity of Pfu with the speed of Taq polymerase activity.
SynonymsDNA polymerase, EC 2.7.7.7, Pfu polymerase, Pfu-DNA Polymerase.
SourceEscherichia Coli.
Physical AppearanceSterile liquid formulation.
Formulation50mM Tris-HCl, pH 8.2, 1mM DTT, 0.1mM EDTA, 0.05% CHAPS and 50% glycerol.
StabilityPfu DNA Polymerase althoµgh stable at 10°C for 5 days, should be stored below -18°C.Please prevent freeze-thaw cycles.
UsageNeoBiolab's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals.
Applications1. Ideal for high-fidelity amplification. 2. 3'-5' exonuclease activity provides a low error rate. 3. One of the most thermostable DNA polymerases known. 4. Lack of extendase activity means no unwanted 3’ overhangs. 5. Optimal for blunt-end PCR cloning. 6. Optimum temperature near 75°C. 7. 95% active after 1-hour incubation at 98°C.
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