1. 重组蛋白
  2. Enzymes & Regulators
  3. Hydrolases (EC 3)
  4. DNA helicase II/uvrD 蛋白, E.coli

DNA helicase II/uvrD 蛋白, E.coli

目录号: HY-P72296
COA 产品使用指南

NA helicase II/uvrD 蛋白是具有 ATP 酶和解旋酶活性的蛋白 (82 kDa)。DNA helicase II/uvrD 蛋白 可解开对于结合链具有 3' 至 5' 极性的 DNA 双链体,并且当存在单链区域时最有效地启动解旋。DNA helicase II/uvrD 蛋白 参与 DNA 的甲基定向错配修复和核苷酸切除修复。DNA helicase II/uvrD 蛋白, E.coli 是重组的 DNA 解旋酶 II/uvrD 蛋白,由 E. coli 表达,不带标签。DNA helicase II/uvrD 蛋白, E.coli 全长 720 个氨基酸,分子量约为 ~82.0 kDa。

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2 μg ¥620 In-stock
10 μg ¥1550 In-stock
50 μg ¥3350 询价
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  • 生物活性

  • 技术参数

  • 产品性质

  • 产品资料

描述

DNA helicase II/uvrD Protein, E.coli encodes an 82-kDa protein with both ATPase and helicase activities. DNA helicase II/uvrD Protein, E.coli unwinds DNA duplexes with 3' to 5' polarity with respect to the bound strand and initiates unwinding most effectively when a single-stranded region is present. DNA helicase II/uvrD Protein, E.coli is involved in methyl-directed mismatch repair and nucleotide excision repair of DNA[1][2][3] DNA helicase II/uvrD Protein, E.coli is the recombinant E. coli-derived DNA helicase II/uvrD protein, expressed by E. coli , with tag free. The total length of DNA helicase II/uvrD Protein, E.coli is 720 a.a., with molecular weight of ~82.0 kDa.

研究背景

DNA helicase II/uvrD Protein 也可以在较高酶浓度下从切口或平端开始解旋。DNA helicase II/uvrD Protein 参与核苷酸切除修复和甲基定向错配修复的切割后事件[1]
DNA helicase II/uvrD Protein 突变体对 UV 和 Azidothymidine (AZT; HY-17413) 强烈敏感,对 CPX 中度敏感,并且通过添加 radA 突变可增强敏感性。在recF中引入突变几乎完全抑制了uvrD和uvrD radA突变体的AZT敏感性并部分抑制了UV和CPX敏感性[2]

生物活性

The enzyme activity of this recombinant protein is testing in progress, we cannot offer a guarantee yet.

种属

E.coli

表达系统

E. coli

标签

Tag Free

蛋白编号

P03018 (M1-V720)

基因 ID

948347  [NCBI]

蛋白结构
N-term
uvrD (M1-V720)
Accession # P03018
C-term
同用名
pdeB; DNA helicase II
氨基酸序列

MDVSYLLDSLNDKQREAVAAPRSNLLVLAGAGSGKTRVLVHRIAWLMSVENCSPYSIMAVTFTNKAAAEMRHRIGQLMGTSQGGMWVGTFHGLAHRLLRAHHMDANLPQDFQILDSEDQLRLLKRLIKAMNLDEKQWPPRQAMWYINSQKDEGLRPHHIQSYGNPVEQTWQKVYQAYQEACDRAGLVDFAELLLRAHELWLNKPHILQHYRERFTNILVDEFQDTNNIQYAWIRLLAGDTGKVMIVGDDDQSIYGWRGAQVENIQRFLNDFPGAETIRLEQNYRSTSNILSAANALIENNNGRLGKKLWTDGADGEPISLYCAFNELDEARFVVNRIKTWQDNGGALAECAILYRSNAQSRVLEEALLQASMPYRIYGGMRFFERQEIKDALSYLRLIANRNDDAAFERVVNTPTRGIGDRTLDVVRQTSRDRQLTLWQACRELLQEKALAGRAASALQRFMELIDALAQETADMPLHVQTDRVIKDSGLRTMYEQEKGEKGQTRIENLEELVTATRQFSYNEEDEDLMPLQAFLSHAALEAGEGQADTWQDAVQLMTLHSAKGLEFPQVFIVGMEEGMFPSQMSLDEGGRLEEERRLAYVGVTRAMQKLTLTYAETRRLYGKEVYHRPSRFIGELPEECVEEVRLRATVSRPVSHQRMGTPMVENDSGYKLGQRVRHAKFGEGTIVNMEGSGEHSRLQVAFQGQGIKWLVAAYARLESV

分子量

Approximately 82.0 kDa

纯度
  • Greater than 91% as determined by reducing SDS-PAGE.
性状

无菌粉末

组分

Lyophilized from 0.22 μm filtered solution in PBS, 6% Trehalose, pH 7.4.

内毒素含量

<1 EU/μg, determined by LAL method.

复溶方法

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

保存条件 & 期限

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

运输条件

Room temperature in continental US; may vary elsewhere.

文件资料

DNA helicase II/uvrD Protein, E.coli 相关分类

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • 复溶计算器

  • 重组蛋白稀释计算器

  • 比活力计算器

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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产品名称:
DNA helicase II/uvrD Protein, E.coli
目录号:
HY-P72296
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