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
产品来源
大肠杆菌菌株(E. coli),包含表达大肠杆菌核酸外切酶 V 三个亚基的质粒:RecB、RecC 和 RecD。
- 产品类别:
- Exonucleases and Non-specific Endonucleases Products
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产品组分信息
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 -
M0345S -20 Exonuclease V (RecBCD) M0345SVIAL -20 1 x 0.1 ml 10,000 units/ml NEBuffer™ 4 B7004SVIAL -20 1 x 1.25 ml 10 X Adenosine 5′-Triphosphate (ATP) P0756SVIAL -20 1 x 1 ml 10 mM
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M0345L -20 Exonuclease V (RecBCD) M0345LVIAL -20 1 x 0.5 ml 10,000 units/ml NEBuffer™ 4 B7004SVIAL -20 1 x 1.25 ml 10 X Adenosine 5′-Triphosphate (ATP) P0756SVIAL -20 1 x 1 ml 10 mM
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特性和用法
单位定义
1 单位是指在 50 μl 反应体系中,37℃ 条件下,30 分钟内能从双链 DNA 底物上催化产生 1 nmol 酸溶性脱氧核糖核苷酸所需的酶量。
反应条件
1X NEBuffer™ 4
Supplement with 1 mM ATP
Incubate at 37°C1X NEBuffer™ 4
50 mM Potassium Acetate
20 mM Tris-acetate
10 mM Magnesium Acetate
1 mM DTT
(pH 7.9 @ 25°C)贮存溶液
50 mM Tris-HCl
100 mM NaCl
1 mM DTT
0.1 mM EDTA
50% Glycerol
0.1% Triton® X-100
pH 7.5 @ 25°C热失活
70°C for 30 minutes
单位活性检测条件
1X NEBuffer 4、1 mM ATP 与 0.15 mM 经超声处理的双链 [3H]-DNA。
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优势和特性
应用特性
在保留切刻和超螺旋质粒 DNA 的同时降解线性单链 DNA 和双链 DNA。
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相关产品
相关产品
- t1010-monarch-plasmid-miniprep-kit
- Monarch® DNA 胶回收试剂盒
- Monarch® PCR & DNA 纯化试剂盒(5 μg)
单独销售的组分
- NEBuffer 4
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参考文献
- Eichler, D.C. et al. (1977). J.Biol. Chem. 252, 499-503.
- Taylor, A.F. et al. (1985). J. Mol. Biol. 185, 431-443.
- Amundsen, S.K. et al. (1986). Proc. Natl. Acad. Sci. 83, 5558-5562.
- Palas, K.M. et al. (1990). J. Biol. Chem. 265, 3447-3454.
- Dillingham, M.S. et al. (2008). Microbiology and Mol. Biol. Review. 72, 642-671.
操作说明、说明书 & 用法
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操作说明
- A Typical Exonuclease V Reaction (M0345)
- Removal of Residual gDNA after Purification of Low Copy Plasmid using Exonuclease V (RecBCD)
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使用指南
- Usage Guidelines for the Monarch Plasmid Miniprep Kit (#T1010) When Working with Low Copy Plasmids
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应用实例
- Using Exonuclease V (RecBCD) to Eliminate Residual Genomic DNA When Purifying Low Copy Plasmids with the Monarch® Plasmid Miniprep Kit
工具 & 资源
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选择指南
- Activities of Exonucleases and Non-specific Endonucleases
- Common Applications for Exonucleases and Endonucleases
- Properties of Exonucleases and Non-specific Endonucleases
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Web 工具
- Exo Selector
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研究摘要
- Choosing the Right Exonuclease (2019)
FAQs & 问题解决指南
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FAQs
- What is the best reaction volume for removal of linear dsDNA?
- Does isolated genomic DNA purified by different methods change the cleavage rate of Exonuclease V?
- Should I add additional ATP with Exonuclease V if I am scaling up my reaction?
- Does Exonuclease V (RecBCD) work in other NEBuffers?
- What is the best exonuclease to remove chromosomal DNA during a plasmid prep?
- Which enzyme can distinguish between mitochondrial and genomic DNA and only remove gDNA?
- Can Exonuclease I be used with a double stranded exonuclease to clean up plasmid preparations?
- Does NEB have an equivalent to Lucigen’s Plasmid-Safe?