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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃.
- 保质期:
Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.
- 英文名:
Recombinant Escherichia coli DNA helicase II (uvrD)
- 库存:
200
- 供应商:
武汉华美生物工程有限公司
- 规格:
20μg
英文名称:
Recombinant Escherichia coli DNA helicase II (uvrD)品名简称:
Recombinant E.coli uvrD protein货号:
CSB-EP360936ENV规格:
20μg价格:
2832LC-MS/Western Blot:
/SDS-PAGE:
(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.纯度:
Greater than 85% as determined by SDS-PAGE.内毒素:
Not test生物活性:
/基因名:
uvrDUniprot No.:
P03018别名:
mutU, pdeB, rad, recL种属:
Escherichia coli (strain K12)蛋白长度:
Full Length来源:
E.coli分子量:
82 kDa表达区域:
1-720aa氨基酸序列:
MDVSYLLDSLNDKQREAVAAPRSNLLVLAGAGSGKTRVLVHRIAWLMSVENCSPYSIMAVTFTNKAAAEMRHRIGQLMGTSQGGMWVGTFHGLAHRLLRAHHMDANLPQDFQILDSEDQLRLLKRLIKAMNLDEKQWPPRQAMWYINSQKDEGLRPHHIQSYGNPVEQTWQKVYQAYQEACDRAGLVDFAELLLRAHELWLNKPHILQHYRERFTNILVDEFQDTNNIQYAWIRLLAGDTGKVMIVGDDDQSIYGWRGAQVENIQRFLNDFPGAETIRLEQNYRSTSNILSAANALIENNNGRLGKKLWTDGADGEPISLYCAFNELDEARFVVNRIKTWQDNGGALAECAILYRSNAQSRVLEEALLQASMPYRIYGGMRFFERQEIKDALSYLRLIANRNDDAAFERVVNTPTRGIGDRTLDVVRQTSRDRQLTLWQACRELLQEKALAGRAASALQRFMELIDALAQETADMPLHVQTDRVIKDSGLRTMYEQEKGEKGQTRIENLEELVTATRQFSYNEEDEDLMPLQAFLSHAALEAGEGQADTWQDAVQLMTLHSAKGLEFPQVFIVGMEEGMFPSQMSLDEGGRLEEERRLAYVGVTRAMQKLTLTYAETRRLYGKEVYHRPSRFIGELPEECVEEVRLRATVSRPVSHQRMGTPMVENDSGYKLGQRVRHAKFGEGTIVNMEGSGEHSRLQVAFQGQGIKWLVAAYARLESV蛋白标签:
Tag-Free产品提供形式:
Liquid or Lyophilized powder缓冲液:
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.储存条件:
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.保质期:
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.货期:
3-7 business days注意事项:
Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.功能1:
A helicase with DNA-dependent ATPase activity. Unwinds DNA duplexes with 3' to 5' polarity with respect to the bound strand. Initiates unwinding more efficiently from a nicked substrate than ds duplex DNA. Involved in the post-incision events of nucleotide excision repair and methyl-directed mismatch repair, and probably also in repair of alkylated DNA功能2:
A helicase with DNA-dependent ATPase activity文献:
"Determination of the initiation sites of transcription and translation of the uvrD gene of Escherichia coli." Yamamoto Y., Ogawa T., Shinagawa H., Nakayama T., Matsuo H., Ogawa H. J. Biochem. 99:1579-1590(1986)研究领域:
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文献和实验本世纪60至70年代对大肠杆菌的研究使之成为自然界中最普遍为人们所认识的生物体。 大肠杆菌具有两个显著特征:操作简单和能在廉价的培养基中高密度培养,它的这些特征加上十多年外源基因表达的经验使其在大多数科研应用中成为高效表达异源蛋白最常用的原核表达系统。尽管大肠杆菌有众多的优点,但并非每一种基因都能在其中有效表达。 这归因于每种基因都有其独特的结构、mRNA的稳定性和翻译效率、蛋白质折叠的难易程度、宿主细胞蛋白酶对蛋白质的降解、外源基因和E.coli 在密码子利用上的主要
相关专题蛋白表达技术全攻略 本世纪60至70年代对大肠杆菌的研究使之成为自然界中最普遍为人们所认识的生物体。大肠杆菌具有两个显著特征:操作简单和能在廉价的培养基中高密度培养,它的这些特征加上十多年外源基因表达的经验使其在大多数科研应用中成为高效表达异源蛋白最常用的原核表达系统。尽管大肠杆菌有众多的优点,但并非每一种基因都能在其中有效表达。这归因于每种基因都有其独特的结构、mRNA的稳定性和翻译效率、蛋白质折叠的难易程度、宿主细胞蛋白酶对蛋白质的降解、外源基因和E.coli
动物细胞内表达目的基因是研究基因功能及其相互作用的重要手段。 在各种表达系统中,最早被采用进行研究的是原核表达系统,这也是目前掌握最为成熟的表达系统。该项技术的主要方法是将已克隆入目的基因DNA段的载体 (一般为质粒)转化细菌(通常选用的是大肠杆菌),通过IPTG诱导并最终纯化获得所需的目的蛋白。其优点在于能够在较短时间内获得基因表达产物,而且所需的成本相对比较低廉。但与此同时原核表达系统还存在许多难以克服的缺点:如通常使用的表达系统无法对表达时间及表达水平进行调控,有些基因的持续表达可能会对宿主
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