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Ampligase™ Thermostable DNA Ligase catalyses NAD-dependent ligation of adjacent 3´-hydroxylated and 5´-phosphorylated termini in duplex DNA structures that are stable at high temperatures. Derived from a thermophilic bacterium, the enzyme is stable and active at much higher temperatures than conventional DNA ligases. Its half-life is 48 hours at 65°C and greater than 1 hour at 95°C. Ampligase DNA Ligase has been shown to be active for at least 500 thermal cycles (94°C/80°C) or 16 hours of cycling. 10 This exceptional thermostability permits extremely high hybridization stringency and ligation specificity. Ampligase DNA Ligase has no detectable activity in ligating blunt-ended DNA and has no activity on RNA or RNA:DNA hybrids.
Applications
Ligation amplification (Ligase Chain Reaction, LCR)
Repeat Expansion Detection (RED)
Simultaneous mutagenesis of multiple sites
Other ligation-based detection methods