Tth DNA Ligase catalyzes the NAD-dependent formation of phosphodiester bonds between adjacent 3’-hydroxyl and 5’-phosphate termini in double stranded DNA. It is not active against single stranded DNA or RNA and blunt ended DNA.
|EN13-250||2500 U (5 U/μl eq. 75 CEU/μl)||Ask for an offer|
|EN13-025||250 U (5 U/μl eq. 75 CEU/μl)||Ask for an offer|
Tth DNA Ligase catalyzes the NAD-dependent formation of phosphodiester bonds between adjacent 3’-hydroxyl and 5’-phosphate termini in double stranded DNA. It is not active against single stranded DNA or RNA and blunt ended DNA. Enzyme is isolated from Escherichia coli strain containing plasmid carrying the Thermus thermophilus DNA ligase gene.
Tth DNA Ligase is stable and active in optimum ligation temperature range of 45 – 65°C, which is 7 – 10°C higher than that of T4 DNA ligase. The final reaction ligation temperature is determined by the Tm of the substrates. High ligation temperature eliminates the nonspecific ligation.
- NAD-dependent recombinant DNA ligase derived from Thermus thermophilus and over-expressed in E. coli.
- High thermostability allows ligation using high-stringency hybridization conditions.
- High specificity and stringency permits sensitive detection of SNPs.
- Equivalent of Ampligase® (Epicentre).
- Ligase Chain Reaction (LCR)
- Ligase Detection Reaction (LDR)
- Next-Generation DNA Sequencing (NGS)
- Repeat Expansion Detection (RED).
- Rolling Circle Amplification (RCA)
- Proximity Ligation Assay (PLA)
Up to twenty freeze/thaw cycles will not compromise 10x Tth Ligation Buffer performance.
One unit of Tth DNA Ligase catalyzes the ligation of 50% of the cos sites present in 1 μg of bacteriophage lambda DNA in 1 minute at 45°C.
1 U (Unit) of Tth DNA Ligase = 1 Ampligase ® Unit = 15 cohesive end units (CEU).
Tth DNA Ligase (EN13) - Manual
All components should be stored at -20°C.
50 mM Tris-HCl (pH 7.5), 100 mM NaCl, 0.1 mM EDTA, 0.1% Triton X-100, 1 mM DTT, 50% glycerol
10x Tth ligation buffer
200 mM Tris-HCl(pH 8.3), 250 mM KCl, 100 mM MgCl2, 5 mM NAD, 0.1% Triton X-100
Shipped on dry or blue ice.
Tth DNA Ligase activity is tested in reaction with bacteriophage lambda DNA digested with SalI and SmaI, with a dilution series of ligase. Results are assayed by agarose gel electrophoresis. Free of unspecific DNA and RNA nucleases contamination.
Tth DNA Ligase (EN13) - MSDS
Tth DNA Ligase (EN13) - L. 646073 for Protocol v. 1.2017
Tth DNA Ligase (EN13) - L. LCE675875
Tth DNA Ligase (EN13) - L. LCE745774
Tth DNA Ligase (EN13) - L. LCZ785875
Tth DNA Ligase (EN13) - L. LCE646073
Tth DNA Ligase (EN13) - L. LCZ616174
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