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Exonuclease in Biological Technology

Using catalysts to stamp nanopatterns without ink

... on the stamp with a molecular tether of amino acids. For this proof-of-principle demonstration, Toones team chose as a catalyst the biological enzyme exonuclease I, derived from the bacterium E. coli. In one set of experiments, the polyacrylamide stamp pattern bearing the tethered enzymes was then pressed o...

Laser Capture Microdissection (LCM) for the Analysis of Macrophage Gene Expression from Atherosclerotic Lesions

... 5 and 3 ends with 6-carboxyfluorescein (6-FAM) reporter and tetra methyl-6-carboxyrhodamine (TAMRA) quencher, respectively, is hydrolyzed by the 5 exonuclease activity of Taq DNA polymerase, causing an increase in fluorescent signal that is measured in real-time after each cycle of PCR amplification. Stan...

The iCycler iQ Detection System for TaqMan Assays, Rev B

... of the polymerase chain reaction (PCR*). One popular probe strategy is the TaqMan assay (PE Biosystems), which capitalizes on the 5' exonuclease activity of Taq polymerase to cleave a labeled hybridization probe during the extension phase of PCR (Holland et al. 1991). In a...

The Gradient Feature: Use in Optimization of Allelic Discrimination Assays, Rev B

...ology 11, 10261030 (1993) Holland PM et al., Detection of specific polymerase chain reaction product by utilizing the 5'→3' exonuclease activity of Thermus aquaticus DNA polymerase, Proc Natl Acad Sci USA 88, 72767280 (1991) Rychlik W et al., Optimization of the an...

Recombinant HIV Reverse Transcriptase

... RT. Ambion's HIV RT is a high quality enzyme that has been tested for contaminating endonuclease and exonuclease activity. The enzyme is available in a convenient 500 U size. A 10X Reaction Buffer is supplied with the enzyme. ...

Fast, Accurate Assessment of siRNA-induced Gene Silencing

... and are labeled with a 5' fluorophore and 3' quencher. Quantification of PCR amplification relies on the 5' exonuclease activity of Taq polymerase to degrade the probe and separate the fluorophore from the quencher. Ce...

Pwo Master*: Simplify Setup of Your Proofreading PCRs

...reading polymerase Pwo DNA Polymerase. Pwo DNA Polymerase is a highly processive 5′3′ DNA polymerase that possesses 3′5′ exonuclease activity, also known as proofreading activity. This proofreading activity results in an approximate 18-fold increase in the fidelity of DNA synthe...

Pwo DNA Polymerase

...3' DNA polymerase and possesses an 3'5' exonuclease activity also known as proofreading activity. The enzyme has no detectable 5'3' exonuclease activity. Pwo DNA polymerase exhibits i... 5 min at this temperature. The inherent 3'5' exonuclease proofreading activity Pwo results in an...

PCR Master

...kD. It is a highly processive 5'3' DNA polymerase which lacks 3'5' exonuclease activity. Note: For additional convenience and reliable ... of amplification, because it is highly processive and free of exonuclease and nicking activities Increases sensitivity, because it produ...

High Fidelity PCR Master

...A Polymerase and Pwo DNA Polymerase[a thermostable enzyme with a proofreading (3'5' exonuclease) activity]. Due to the inherent 3'5' exonuclease proofreading activity of Tgo DNA Polymerase, the High Fidelity PCR Master increases the fidelity of DNA Synthesis approx. threefold ...
Exonuclease in Biological Products

Klenow Fragment, Exonuclease Minus from Promega

Description: DNA Polymerase I Large (Klenow) Fragment, Exonuclease Minus, is a DNA-dependent DNA polymerase that lacks both the 5´→3´ and the 3´→5´ exonuclease activities present in intact E. coli DNA Polymerase I (1,2). It is used for random primer labeling (3,4) and in strand d...
Company:Promega

DNA Exonuclease III , E. coli from EPICENTRE Biotechnologies

Description: Exonuclease III digests duplex DNA in a 3'-> 5' direction from a blunt end, 5'-overhang or nick, producing stretches of single-stranded DNA. Under defined reaction conditions, DNA degradation by Exonuclease III proceeds at a uniform rate yielding predictable and reproducible results. Because the ra...
Company:EPICENTRE Biotechnologies

NovaTaq DNA Polymerase from Novagen

Description:...ssays. NovaTaq DNA Polymerase possesses an integral 5′→3′ exonuclease and lacks 3′→5′ exonuclease activity. The enzyme generates PCR products with 3′-dA overhangs, sui...
Company:Novagen

NovaTaq DNA Polymerase from Novagen

Description:...ssays. NovaTaq DNA Polymerase possesses an integral 5′→3′ exonuclease and lacks 3′→5′ exonuclease activity. The enzyme generates PCR products with 3′-dA overhangs, sui...
Company:Novagen

MasterAmp Taq DNA Polymerase Kit from EPICENTRE Biotechnologies

Description:...yme for that purpose. The enzyme has an intrinsic 5'?3' structure-dependent exonuclease activity, but lacks 3'--5' proofreading exonuclease activity. MasterAmp Taq DNA Polymerase is highly purified using a proprieta...
Company:EPICENTRE Biotechnologies

Director Universal PCR System from Sigma-Aldrich

Description:... Application: The simple three step procedure (PCR, exonuclease III digestion and rapid ligation/transformation) can be completed in one day. The typical cloning efficiency using this method is greater than 80%. ...
Company:Sigma-Aldrich

BioTherm Taq DNA Polymerase from eEnzyme LLC

Description:...ermophilic bacteria. Amplification of DNA fragments (100 bp to 10kb) can be achieved with this enzyme. The enzyme has both 5'-3' polymerase- and 5'-3' exonuclease activities. One of the best performance standard Taq polymerases for routine DNA amplification. It can amplify genomic fragment up to 5 kb and plasmid...
Company:eEnzyme LLC

Taq DNA Polymerase -Klein Taq from AppliChem GmbH

Description:...erminally truncated Thermus aquaticus DNA polymerase. Expressed from a gene construct in E. coli, translation initiates at Met236, bypassing the 5'-3' exonuclease domain of the DNA polymerase-encoding gene. The enzyme reveals a highly active and even more heat-stable DNA polymerase activity in comparison with Ta...
Company:AppliChem GmbH

Red Taq DNA Polymerase from BullsEye from MIDSCI

Description:... Bullseye Red Taq DNA Polymerase has both a 5'3' DNA polymerase and a 5'3' exonuclease activity. The enzyme lacks a 3'5' exonuclease activity. Red Taq DNA Polymerase leaves an A overhang, which makes the enzy...
Company:MIDSCI

BioPrime Plus Array CGH Indirect Genomic Labeling Module from Invitrogen

Description:...he large fragment of the DNA polymerase I holoenzyme that has both 5 and 35 exonuclease activity removed. The lack of exonuclease activity makes this enzyme ideal for use in random priming protocols, enabl...
Company:Invitrogen
Exonuclease in Biological Definition

Polymerase chain reaction

...of Taq is that it sometimes makes mistakes when copying DNA, leading to mutations (errors) in the DNA sequence, since it lacks 3'->5' proofreading exonuclease activity. Polymerases such as Pwo or Pfu, obtained from Archaea , have proofreading mechanisms (mechanisms that check for errors) and can sig...
Exonuclease in Biological Dictionary

Exonuclease

Exonucleases are enzymes that work by cleaving nucleotides one at a time from the end of a polynucleotide chain. A hydrolyzing reaction occurs that breaks phosphodiester bonds at either the 3’ or 5’ ends. Its close relative... exonuclease activity. • protein binding. • hydrolase activit...

Taq polymerase

... polymerase . ... 5-6 - Taq DNA Polymerase (temperature-dependent inhibitor), Vendor B ... Taq DNA Polymerase has no detectable 3'=>5' exonuclease (proofreading) activity ... The error rate of Taq DNA Polymerase in PCR is 2.2x10-5 errors per nt per cycle, ... Taq Polymerase . GENTAUR E...

Polymerase

...lt;/I> DNA Polymerase is a thermostable DNA polymerase that possesses a 5'->3' polymerase activity and a double-strand specific 5'->3' exonuclease activity. ... DyNAzyme EXT DNA Polymerase is a versatile and easy-to-use enzyme especially suited for handling demanding reaction conditions w...

PolyA tail

...m digestion with nuclease and greatly ... Molecular dissection of mRNA poly(A ) tail length control in yeast. ... Poly(A ) Tail -dependent exonuclease AtRrp41p from Arabidopsis thaliana Rescues ... The Poly(A ) Tailing Kit uses E. coli poly(A ) polymerase I (E-PAP) to polyadenylate ... Effect ...

Okazaki fragments

...overer, Reiji Okazaki . ... DNA polymerase and the fragments are joined by DNA ligase. ... Okazaki fragment , DNA polymerase I uses. its exonuclease ... discontinuous units called Okazaki fragments . The polymerase moves in the 5'Ë3' direction. ... Energetic and conformational contribution...

Nuclease

...a relatively nonspecific ... nuclease -free ... The nuclease as a model for protein folding, Molec. Cell. Biochem., 23, ... Nuclease BAL-31 exonuclease degrades both 3' and 5' termini of duplex DNA ... Can Nuclease BAL-31 be used to remove 10 base pairs from the end of a DNA fragment? ... Micr...

Klenow Fragment

...ase I which retains polymerization and 3'-> 5' exonuclease activity, ... Klenow Fragment (3'-> 5' ...polymerase activity, but has lost the 5'-> 3' exonuclease activity and ... Klenow fragment Treatment...rases " Klenow Fragment " Klenow Fragment , exonuclease Minus ... Enzymes " DNA Polymerases " Klenow Fr...

Genomic clone

...ne . ... Is an international scientific electronic journal which publishes paper from all ... One of the genomic clone (pLK8) was subjected to exonuclease III deletion using ... Curso de Doctorado de Cartografía y análisis de genomas ... Session 1. Genomes and Genomic Cloning ... Screening of ...

AP endonuclease

...t characterized AP endonuclease is, interestingly, the E. coli enzyme ... in vivo, but it is now clear that the AP endonuclease activity of exonuclease ... ...
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