11745816910
Roche
DIG-Nick Translation Mix
sufficient for 40 labeling reactions, pkg of 160 μL, suitable for hybridization
Synonyme(s) :
nick translation
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About This Item
Code UNSPSC :
41105500
Produits recommandés
Forme
solution
Niveau de qualité
Utilisation
sufficient for 40 labeling reactions
Conditionnement
pkg of 160 μL
Fabricant/nom de marque
Roche
Caractéristiques du produit alternatif plus écologique
Designing Safer Chemicals
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
Technique(s)
hybridization: suitable
Autre catégorie plus écologique
, Aligned
Température de stockage
−20°C
Description générale
DIG-Nick Translation Mix is a convenient enzyme and nucleotide mixture for nick translation. It utilizes a combination of DNase and DNA Polymerase to nick one strand of the DNA helix, then incorporates labeled nucleotides as the polymerase examines, or "proofreads" the nicked site. Large plasmids, cosmids and polymerase chain reaction (PCR) fragments are all regularly used with this method and the DNA can be linearized or supercoiled. Individual templates produce consistent results in the standard 90-minutes reaction and result in an average probe length of 200 bp up to 500 bp. The molar ratio of digoxigenin (DIG)-11-deoxyuridine triphosphate (dUTP) to deoxythymidine triphosphate (dTTP) is adjusted to ensure that every 20th to 25th nucleotide in the newly synthesized DNA is modified with DIG. This density of haptens in the DNA yields the highest sensitivity in the immunological detection reaction.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is designed as a safer chemical. The DIG System was established as a sensitive and cost-effective alternative to radioactivity for the labeling and detection of nucleic acids. There are many available publications that prove the versatility of the DIG System, so use of radio-labeling is no longer the only option for labeling of DNA for hybridization.
Spécificité
Heat inactivation: Stop the reaction by adding 1μl 0.5M EDTA (pH 8.0) and heating to 65°C for 10 minutes.
Application
DIG-Nick Translation Mix has been used for the generation of highly sensitive probes for in situ hybridization labeled with Digoxigenin-11-dUTP.
Note: The mix can also be used for filter hybridization techniques, however, for highly sensitive filter hybridization probes, we recommend that you use DIG-High Prime from Roche Applied Science.
For nonradioactive labeling of in situ probes with other haptens and fluorophores, Roche Applied Science offers the Biotin-Nick Translation Mix and the Nick Translation Mix (without nucleotides).
Note: The mix can also be used for filter hybridization techniques, however, for highly sensitive filter hybridization probes, we recommend that you use DIG-High Prime from Roche Applied Science.
For nonradioactive labeling of in situ probes with other haptens and fluorophores, Roche Applied Science offers the Biotin-Nick Translation Mix and the Nick Translation Mix (without nucleotides).
Qualité
Function tested in a dot spot assay.
Principe
The nick translation method is based on the ability of DNase I to introduce randomly distributed nicks into DNA at low enzyme concentrations in the presence of MgCl2.
E. coli DNA Polymerase I synthesizes DNA complementary to the intact strand in a 5′→3′ direction using the 3′-OH termini of the nick as a primer. The 5′→3′ exonucleolytic activity of DNA polymerase I simultaneously removes nucleotides in the direction of synthesis. The polymerase activity sequentially replaces the removed nucleotides with isotope-labeled or hapten-labeled deoxyribonucleoside triphosphates. At low temperature (+15°C), the unlabeled DNA in the reaction is thus replaced by newly synthesized labeled DNA.
E. coli DNA Polymerase I synthesizes DNA complementary to the intact strand in a 5′→3′ direction using the 3′-OH termini of the nick as a primer. The 5′→3′ exonucleolytic activity of DNA polymerase I simultaneously removes nucleotides in the direction of synthesis. The polymerase activity sequentially replaces the removed nucleotides with isotope-labeled or hapten-labeled deoxyribonucleoside triphosphates. At low temperature (+15°C), the unlabeled DNA in the reaction is thus replaced by newly synthesized labeled DNA.
Notes préparatoires
1 vial with 5x concentrated stabilized reaction buffer in 50% glycerol (v/v) and DNA Polymerase I, DNase I, 0.25mM dATP, 0.25mM dCTP, 0.25mM dGTP, 0.17mM dTTP and 0.08mM DIG-11-dUTP (alkali-stable).
Assay Time: 100 minutes
Sample Materials: Supercoiled and linearized plasmid DNA, Supercoiled and linearized cosmid DNA, Purified PCR products.
Note: Denaturing of the template before nick translation is not required.
Assay Time: 100 minutes
Sample Materials: Supercoiled and linearized plasmid DNA, Supercoiled and linearized cosmid DNA, Purified PCR products.
Note: Denaturing of the template before nick translation is not required.
Autres remarques
For life science research only. Not for use in diagnostic procedures.
Code de la classe de stockage
12 - Non Combustible Liquids
Classe de danger pour l'eau (WGK)
WGK 1
Point d'éclair (°F)
No data available
Point d'éclair (°C)
No data available
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