脱氧核糖核酸酶 I 来源于牛胰腺

CAS: 9003-98-9 货号: D755012 EC号: 232-667-0
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级别和纯度: Type II, lyophilized powder, Protein≥80 %,≥2,000 units/mg protein
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P00639
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为什么选择此级别

,适用于对基线干扰要求严格的色谱和分析工作流程。

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储存与运输

-20°C储存。超低温运输 。请查阅批次 COA 获取详细规格。

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文献证明

在色谱分析、有机合成和交叉偶联反应领域已被 45 篇同行评审文献引用。

概述

DNAse I可用于切开DNA,作为将标记碱基插入DNA的第一步。来自Sigma的酶已在Madin-Darby犬肾(MDCK)II细胞系的细胞裂解物制备中与RNAse一起用于核酸酶的储备。它也用于从辛德比斯病毒中提取RNA。来自牛胰腺的脱氧核糖核酸酶I已用于两种类似于脱氧核糖核酸酶I的新型人类基因的鉴定、定位和表达。来自牛胰腺的脱氧核糖核酸酶I也已用于研究可从牛胰腺中获得高活性RNase、DNase、胆固醇酯酶和胰蛋白酶的新方法。用于从蛋白质样品中除去 DNA。

DNAse I is used to nick DNA, as a first step to incorporate labeled bases into DNA. The enzyme from Sigma has been used in the nuclease stock along with RNAse during cell lysate preparation of Madin-Darby canine kidney (MDCK) II cell lines. It has also been used during RNA extraction from Sindbis virus.
Deoxyribonuclease I from bovine pancreas has been used for the identification, localization and expression of two novel human genes similar to deoxyribonuclease I. Deoxyribonuclease I from bovine pancreas has also been used in a study to investigate a new approach to obtaining high-activity RNase, DNase, cholesterolesterase, and trypsin from cattle pancreas.
Used for the removal of DNA from protein samples.

规格

产品名称
脱氧核糖核酸酶 I 来源于牛胰腺
规格或纯度
Type II, lyophilized powder, Protein≥80 %,≥2,000 units/mg protein
生化机理
DNase I是一种内切核酸酶,可作用于与嘧啶相邻的磷酸二酯键以产生具有末端5′-磷酸的聚核苷酸。当Mg2+存在时,DNAse I可独立切割DNA的每条链且切割位点是随机的。当Mn2+存在时,两条DNA链都几乎是在同样的位置被切割。最适pH在7-8之间。二价阳离子如Mn2+, Ca2+, Co2+以及Zn2+都是酶的激活剂。5 mM浓度的Ca2+可稳定酶免收蛋白水解酶的消化。来自牛胰腺的DNAse I由四种色谱可区分的组分A,B,C和D组成,它们的摩尔比分别为4:1:1。仅有少量的D被发现。2-巯基乙醇、螯合剂、十二烷基硫酸钠(SDS)和肌动蛋白都已知可抑制酶的活性。
CAS编号和信息
9003-98-9
酶学委员会编号
3.1.21.1(BRENDA,IUBMB)
分子类型
酶
储存与运输
物理形态
固体
浓度
Type II, lyophilized powder, Protein≥80 %,≥2,000 units/mg protein
储存条件
-20°C储存
运输条件
超低温运输

技术文档

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高级数据

质检证书(CoA,COO,BSE/TSE 和分析图谱)
C of A & Other Certificates(BSE/TSE, COO):
输入批号以搜索分析图谱:
技术文档和文章
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脱氧核糖核酸酶(DNase):DNA水解切割特性、方法学价值与多场景应用
Deoxyribonuclease (DNase): DNA Hydrolytic Cleavage Properties, Methodological Value, and Multi-Context Applications
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Physicochemical Properties of Diphenylamine, Analytical Applications, and a Review of Its DNA Colorimetric Reaction
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Review of Collagenase: Enzymological Features, Type Systems, and Research Applications
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细胞核酸代谢与调控酶在基因表达、RNA稳态与免疫防御中的功能体系综述
A Functional Systems Review of Cellular Nucleic Acid Metabolism and Regulatory Enzymes in Gene Expression, RNA Homeostasis, and Immune Defense
组织单细胞制备的样本处理与质控策略
Tissue Dissociation for Single-Cell Preparation: Sample Handling and Quality Control Strategies
细胞样本保存体系对形态保持、抗凝稳定与检测结果的影响
Effects of Cell Sample Preservation Systems on Morphological Integrity, Anticoagulant Stability, and Analytical Results
组织消化与原代细胞分离中的广谱蛋白酶应用
Broad-Spectrum Protease Application in Tissue Digestion and Primary Cell Isolation
细胞凋亡检测中的TUNEL标记与结果判读
Cell Apoptosis Detection by TUNEL Labeling: Signal Interpretation and Result Evaluation
核酸酶在核酸样本处理、污染控制与分子实验质控中的应用
Application of Nucleases in Nucleic Acid Sample Processing, Contamination Control, and Molecular Experiment Quality Control
PDRN参与皮肤修复的机制:A2A受体相关信号、核苷酸补救与细胞外基质重塑
Mechanisms by Which PDRN Participates in Skin Repair: A2A Receptor-Related Signaling, Nucleotide Salvage, and Extracellular Matrix Remodeling
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