Uracil-DNA Glycosylase,不耐热性
Uracil-DNA Glycosylase,不耐热性
Thermo Scientific™

Uracil-DNA Glycosylase,不耐热性

通过切割尿嘧啶碱基与糖骨架之间的 N-糖苷键,Uracil-DNA Glycosylase 从含 dU DNA 中去除尿嘧啶。该切割生成碱敏感的无嘧啶位点,DNA 聚合酶阻断了这些位点的复制或防止其变为杂交位点。双链和单链含了解更多信息
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货号数量
78310100UN100 U
货号 78310100UN
价格(CNY)
1,371.00
Each
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数量:
100 U
请求批量或定制报价
价格(CNY)
1,371.00
Each
添加至购物车
通过切割尿嘧啶碱基与糖骨架之间的 N-糖苷键,Uracil-DNA Glycosylase 从含 dU DNA 中去除尿嘧啶。该切割生成碱敏感的无嘧啶位点,DNA 聚合酶阻断了这些位点的复制或防止其变为杂交位点。

双链和单链含 dU DNA 是 Uracil-DNA Glycosylase 的底物,而 RNA 和普通含 dT DNA 则不是。

Uracil-DNA Glycosylase 亦可用于提升 PCR 产物的克隆效率(通过将含 dU 引物掺入 PCR 产物以及提升定点突变效率)。

大西洋鳕鱼获得的 Uracil-DNA Glycosylase 拥有大肠杆菌衍生酶的所有特质,并附加了不耐热性。在50°C 下孵育 10 分钟后,其彻底地、不可逆转地失活。

纯度:
该酶经过色谱分析纯化,并检测了其污染性核酸内切酶和核酸外切酶。

储存缓冲液:
50 mM Tris-HCl(pH 值 7.5)、100 mM NaCl、0.5 mM EDTA、1 mM DTT、0.1% Triton X-100、 50% 甘油。

测定条件:
反应混合物包含 70 mM Tris-HCl(pH 值 8.0)、10 mM NaCl、1 mM EDTA、100 μg/mL BSA、3H-dUTP 标记 DNA 和 Uracil-DNA Glycosylase。在 37°C 下持续孵育 1 小时。

单位定义:
一个单位是指从含 dU DNA 释放 1 nmoL 尿嘧啶所需的酶量(一小时、37°C 下)。

浓度:
1 个单位/μL

应用:
  1. DNA 修复和突变检测研究。
  2. 提升 PCR 产物的克隆效率。
  3. 提升定点突变的效率。
  4. 蛋白-DNA 相互作用研究。

来源:
来自大西洋鳕鱼(鱼肝)的重组体


仅供科研使用。不可用于诊断程序。
规格
兼容缓冲液储存缓冲液
产品类型尿嘧啶 DNA 糖基化酶
数量100 U
糖基化酶
Unit SizeEach
内容与储存
置于干冰上运输。保存于 -20°C。

常见问题解答 (FAQ)

What is UDG?

UDG (uracil-DNA-glycosylase) refers to a superfamily of enzymes comprising six sub-families. Family I UDG enzymes are called UNG, after the uracil-N-glycosylase gene. The terms UDG and UNG are commonly used interchangeably because they perform the same function in qPCR, namely, to remove Uracil from dU-containing DNA to prevent carryover contamination from previous PCRs. See the following link: https://www.thermofisher.com/uk/en/home/life-science/pcr/real-time-pcr/real-time-pcr-learning-center/real-time-pcr-basics/what-is-ung-udg.html

How many samples from the Oncomine Comprehensive Assay Plus, manual library preparation can I run on the Ion 550 Chip?

We recommend sequencing up to 5 DNA or RNA samples (4 samples and a non-template control (NTC)) on a single Ion 550 Chip.

Find additional tips, troubleshooting help, and resources within our Next-Generation Sequencing Support Center.

What is included in the Oncomine Comprehensive Assay Plus, manual library preparation?

The Oncomine Comprehensive Assay Plus, manual library preparation (Cat. No. A46721) is designed to prepare barcoded sample libraries from DNA and RNA. The kit consists of Oncomine Comprehensive Assay Plus DNA (2-pool) (Part No. A45615), RNA Oncomine Comprehensive Assay v3M (2-pool) (Part No. A33637), and two kits of Ion AmpliSeq Library Kit Plus (Cat. No. 4488990). Sufficient reagents are provided to prepare libraries from 24 samples.

Find additional tips, troubleshooting help, and resources within our Next-Generation Sequencing Support Center.

How much of each sample is needed for the Oncomine Comprehensive Assay Plus, manual library preparation?

10 ng of nucleic acid input per pool (20 ng of DNA and 20 ng of RNA) isolated from FFPE samples, including fine needle biopsies, is needed for the Oncomine Comprehensive Assay Plus, manual library preparation.

Find additional tips, troubleshooting help, and resources within our Next-Generation Sequencing Support Center.

What types of sample is the Oncomine Comprehensive Assay Plus, manual library preparation compatible with?

The assay is optimized for use with formalin-fixed paraffin embedded (FFPE) samples.

Find additional tips, troubleshooting help, and resources within our Next-Generation Sequencing Support Center.