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- 详细信息
- 文献和实验
- 技术资料
- 英文名：
核酸外切酶III（200 U/μL）
- 规格：
4,000 units
描述
Thermo Scientific Exonuclease III (ExoIII) exhibits four catalytic activities. The 3'→5' exodeoxyribonuclease activity of ExoIII is specific for double-stranded DNA. ExoIII degrades dsDNA from blunt ends, 5'-overhangs or nicks, releases 5'-mononucleotides from the 3'-ends of DNA strands and produces stretches of single-stranded DNA. It is not active on 3'-overhang ends of DNA that are at least four-bases long and do not carry a 3'-terminal C-residue on single-stranded DNA, or on phosphorothioate-linked nucleotides.ExoIII 3'-phosphatase activity removes the 3'-terminal phosphate, generating a 3'-OH group. ExoIII Rnase H activity exonucleolytically degrades the RNA strand in RNA-DNA hybrids. ExoIII apurinic/apyrimidinic-endonuclease activity cleaves phosphodiester bonds at apurinic or apyrimidinic sites to produce 5'-termini that are base-free deoxyribose 5'-phosphate residues.
Highlights
• Active in restriction enzyme buffers
规格
| Enzyme: | Exonuclease |
|---|---|
| Product Size: | 4,000 units |
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文献和实验能够非常有效的抑制基因的表达。Figure 1. Silencing Gene Targets by RNase III Derived siRNA Cocktails. A 200 bp dsRNA (15 µg) for each gene of interest was digested with 2.5 U RNase III for 1 hour at 37℃. 1A. RNase III efficiently digests dsRNA . One microgram
Polymerase III in vitro Transcription
Polymerase III in vitro Transcription Steve Hahn For the following reactions, use appropriate shielding and dispose of radioactive waste properly! A 20 microliter transcription reaction contains: 4.0 μl 5X Pol III transcription buffer 0.2 μl
x PCR reaction buffer, 1.6 µl 4dNTP mix (250 pmol/µl), 2 µl T12 MN primer, 2 µl arbitrary primer (decamer), 0.2 µl Taq DNA polymerase (5 U/µl) use the PCR conditions as under section III. run PCR product on a 1.5 % agarose gel
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