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An engineered variant of DNase I, DNase I-XT is a salt-tolerant DNA endonuclease that nonspecifically cleaves DNA to release di-, tri- and oligonucleotide products with 5′-phosphorylated and 3′-hydroxylated ends. DNase I-XT acts on single- and double-stranded DNA, chromatin and the DNA strand of RNA:DNA hybrids. While DNase I (RNase-free) (NEB #M0303) is inhibited by salt concentrations >50 mM, DNase I-XT (NEB #M0570) exhibits optimal activity between 50-100 mM salt and retains 65% and ~40% activity in 200 and 300 mM salt, respectively. This increased salt tolerance makes DNase I-XT the preferred enzyme for DNA template removal from an in vitro transcription (IVT) reaction. Importantly, DNase I-XT is RNase-free, allowing for the complete removal of DNA from RNA preparations while maintaining RNA integrity.
Product Source
A His-tagged engineered variant of DNase I expressed in Pichia pastoris.
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| Price | 600,00 RON (preturile sunt fara TVA) |
|---|---|
| Description |
An engineered variant of DNase I, DNase I-XT is a salt-tolerant DNA endonuclease that nonspecifically cleaves DNA to release di-, tri- and oligonucleotide products with 5′-phosphorylated and 3′-hydroxylated ends. DNase I-XT acts on single- and double-stranded DNA, chromatin and the DNA strand of RNA:DNA hybrids. While DNase I (RNase-free) (NEB #M0303) is inhibited by salt concentrations >50 mM, DNase I-XT (NEB #M0570) exhibits optimal activity between 50-100 mM salt and retains 65% and ~40% activity in 200 and 300 mM salt, respectively. This increased salt tolerance makes DNase I-XT the preferred enzyme for DNA template removal from an in vitro transcription (IVT) reaction. Importantly, DNase I-XT is RNase-free, allowing for the complete removal of DNA from RNA preparations while maintaining RNA integrity. Product Source A His-tagged engineered variant of DNase I expressed in Pichia pastoris. |