上海金畔生物科技有限公司代理New England Biolabs(NEB)酶试剂全线产品,欢迎访问官网了解更多产品信息和订购。
产品信息
- 产品类别:
- RNA Ligation
-
试剂盒组成
本产品提供以下试剂或组分:
NEB # 名称 组分货号 储存温度 数量 浓度 -
E2610S -20 Mth RNA Ligase M2611AVIAL -20 1 x 0.02 ml 50 µM 5′ DNA Adenylation Reaction Buffer B2610SVIAL -20 1 x 1 ml 10 X Adenosine 5′ Triphosphate N0757AVIAL -20 1 x 0.1 ml 1 mM
-
E2610L -20 Mth RNA Ligase M2611AAVIAL -20 1 x 0.1 ml 50 µM 5′ DNA Adenylation Reaction Buffer B2610SVIAL -20 1 x 1 ml 10 X Adenosine 5′ Triphosphate N0757AVIAL -20 1 x 0.1 ml 1 mM
-
-
优势和特性
Features
- 一步反应即可完成定量腺苷化
- 比目前其它化学和酶学方法更简便
- 省去了大量纯化反应产物的需要
- 65℃ 的反应温度减少了二级结构
- 可轻松从 pmol 扩展到 μmol
应用特性
酶法对单链 DNA 接头进行 5´-腺苷化,用于二代测序。
-
注意事项
- 腺苷化反应可放大至 6 倍而不损失效率,此时终浓度为每微升 30 pmol 寡核苷酸和 30 pmol Mth RNA 连接酶。寡核苷酸可以通过苯酚抽提和乙醇沉淀或柱色谱法纯化,以去除蛋白质和 ATP。
- 对于具有未受保护的 3´ 末端的底物,将 ATP 浓度增加至 0.5 mM,以防止环化和多联体化。
- 该酶周转率较低,需要用到约等量摩尔浓度的酶和寡核苷酸底物。
- 在二代测序 cDNA 文库构建实验中,预腺苷化 DNA 接头可用于 RNA 的 3´ 末端连接(3,4)。
-
参考文献
- Zhelkovsky, A.M. and McReynolds, L.A. (2011). Nucl. Acids Res. 39(17): e117.
- Torchia, C., Takagi, Y. and Ho, C.K. (2008). Nucleic Acids Res. 36, 6218-6227.
- Hafner, M. et al. (2008). Methods. 44, 3-12.
- Vigneault, F., Sismour, A.M. and Church, G.M. (2008). Nature Methods. 5, 777-779.
操作说明、说明书 & 用法
-
操作说明
- Protocol for Oligonucleotide Adenylation (NEB #E2610)
- Protocol for one-step adenylation and ligation of 5´p DNA and 3’OH RNA using Mth RNA Ligase (NEB #M2611) and Thermostable 5’ App DNA/RNA Ligase (NEB #M0319)
工具 & 资源
-
选择指南
- Properties of DNA and RNA Ligases
- RNA Ligase Selection Chart
FAQs & 问题解决指南
-
FAQs
- Can this 5′ DNA adenylation kit be used for adenylating ssRNA oligos?
- What is the molecular weight of Mth RNA Ligase? Is it a fusion protein?
- What ratio of enzyme to oligonucleotide do you recommend
- Can Mth RNA Ligase be used in other NEBuffers?
- Can Mth RNA Ligase be used for ligation?
- Does PEG stimulate adenylation?
- What concentration of ATP should be used in the adenylation reaction?
- Will the enzyme work at low temperature (e.g., 37°C)?
- How do I determine the extent of adenylation?
- Do I need to clean up the adenylation reaction before I use the oligo for ligation?
- What is the composition of the 5´ DNA Adenylation Reaction Buffer at 1X concentration?