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主要产品：NEB、内切酶、基因表达、RNAi DNA修饰酶、各种载体、 Marker 、引物、测序 等等
℡ 4000-520-616
℡ 4000-520-616
NEB/SplintR® Ligase/6,250 units/M0375L
产品编号：M0375L
市  场 价：¥0.00
场      地：美国(厂家直采)
产品分类： 分子类>核酸酶类>其他>
联系QQ：1570468124
电话号码：4000-520-616
邮      箱： info@ebiomall.com
美  元  价：待定
品      牌： NEB
公      司：New England Biolabs
公司分类：
NEB/SplintR® Ligase/6,250 units/M0375L
商品介绍
SplintR Ligase, also known as PBCV-1 DNA Ligase or Chlorella virus DNA Ligase, efficiently catalyzes the ligation of adjacent, single-stranded DNA splinted by a complementary RNA strand. This previously unreported activity may enable novel approaches for characterization of miRNAs and mRNAs, including SNPs. SplintR is ideally suited for many target enrichment workflows with applications in next-generation sequencing and molecular diagnostics. The robust activity of the enzyme and its affinity for RNA-splinted DNA substrates (apparent Km = 1 nM) enable sub-nanomolar detection of unique RNA species within a complex mixture, making SplintR ligase a superior choice for demanding RNA detection technologies.The enzyme is active over a broad range of ATP concentrations (10 µM – 1 mM) and pH (6.5–9). Optimal activity is observed using Mg2+ > 5 mM, and a pH between 7.5 and 8.0. The activity is enhanced at higher temperatures (up to 37°C), and by supplementation with 5 mM Mn2+. The reaction is inhibited by salt concentrations in excess of 100 mM.The enzyme tolerates all base pair combinations at the ligation junction, but is partially inhibited by dC/G and dG/C base pairs at the donor (phosphorylated) side ligation junction, particularly when the +2 base was also a C/G base pair.
Ligation of DNA splinted by RNALigation of DNA splinted by RNA
(A) Outline of the ligation assay: a 5´-phosphorylated, 3´-FAM labeled DNA “donor” oligonucleotide and an unmodified DNA “acceptor” oligonucleotide areannealed to a complementary RNA splint. This substrate is reacted with a ligase to form a mixture of unreacted starting material (I), adenylylated DNA (II), and ligated product (III). Theseproducts are denatured, separated by capillary electrophoresis and detected by fluorescence. (B) Ligation of the RNA-splinted substrate in SplintR Ligase Reaction Buffer for 15 minutes at25°C with (a) no enzyme, (b) 1 μM T4 DNA Ligase and (c) 100 nM SplintR Ligase. Indicated peaks correspond to starting pDNA (I), AppDNA (II) and ligated product (III) as determined byco-elution with synthetically prepared standards. (C) The fraction of ligated product catalyzed by either SplintR Ligase or T4 DNA Ligase was analyzed by performing sets of ligations withboth ligases at concentrations between 10 pM and 10 μM for 15 minutes at 25°C. SplintR Ligase is clearly much more efficient at ligation of RNA splinted DNA than T4 DNA Ligase.

Product Source

An E. coli strain that carries a recombinant gene encoding PBCV-1 DNA Ligase.
This product is related to the following categories:
RNA Isolation & Enrichment Products,
DNA Ligases Products
This product can be used in the following applications:
Small RNA Detection and Isolation,
RNA Analysis
品牌介绍

NEB公司成立于二十世纪七十年代中期，拥有众多经验丰富的科学家，是生产生命科学试剂的领导者。目前，NEB为基因组研究提供最齐全的重组酶和天然酶，并且公司业务范围已延伸至蛋白质组学和药品开发领域。回顾三十余年来的历程，NEB公司作为先驱公司之一，为促进生物科技工业的发展做出了巨大的贡献。NEB美国总部乔 迁新址后拥有最尖端的设备，有一座现代化的发酵中心及设备齐全的实验室，这些实验室主要用于产品生产、质量监控、 产品开发和基础科研之用。作为首批以商业规模生产限制性内切酶的公司之一，NEB一直专注于内切酶的研究，并保持 业内领先水平。NEB公司一贯坚持以科学为本的原则，公司生产的试剂因其高质量、高性价比享誉世界。NEB（北京）有限公司 New England Biolabs (Beijing) LTD. NEB（北京）有限公司New England Biolabs (Beijing) LTD. 为美国New England Biolabs, Inc.在华投资兴建的独资子公司，负责处理其在中国内地及香港地区的全部业务，同时承担部分新产品的研发工作。纽英伦生物技术（北京）有限公司成立于2001年11月，为中国生命科学研究者提供一流的产品和专业的技术服务，促进国内外生命科学学术交流，与中国科研工作者一起将中国推入到二十一世纪生命科学的前沿中去。

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