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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
-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 Pseudomonas aeruginosa Bifunctional protein FolD (folD)
- 库存:
200
- 供应商:
武汉华美生物工程有限公司
- 规格:
1mg/100ug/20ug
| 规格: | 1mg | 产品价格: | ¥14796.0 |
|---|---|---|---|
| 规格: | 100ug | 产品价格: | ¥4374.0 |
| 规格: | 20ug | 产品价格: | ¥2328.0 |
Research Areas
OthersUniprot ID
A6V726Gene Names
folDAlternative Name(s)
/Lead Time
13-23 business daysOrganism
Pseudomonas aeruginosa (strain PA7)Source
E.coliExpression Region
1-284aaProtein Length
Full LengthTag Info
N-terminal 10xHis-tagged and C-terminal Myc-taggedTarget Protein Sequence
MTAQLIDGKAIAANLRQQIAQRVTERRQQGLRVPGLAVILVGTDPASQVYVAHKRKDCEEVGFLSQAYDLPADTSQDELLALIDRLNDDPAIDGILVQLPLPAHLDASLLLERIHPDKDVDGFHPYNIGRLAQRMPLLRPCTPKGIMTLLASTGADLYGMDAVVVGASNIVGRPMALELLLGGCTVTVTHRFTRDLAAHVSRADLVVVAAGKPGLVKGEWIKEGAIVIDVGINRQADGRLVGDVEYDVAARRASWITPVPGGVGPMTRACLLENTLHAAEHLHDMW
38.0 kDaPurity
Greater than 90% as determined by SDS-PAGE.Endotoxin
Not test.Biological_Activity
/Form
Liquid or Lyophilized powderBuffer
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.Reconstitution
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.Storage
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℃.Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.Relevance
Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10-methenyltetrahydrofolate to 10-formyltetrahydrofolate.Function
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文献和实验偶然发现的一个pQE30系统表达蛋白纯化案例,帖出来和大家分享。 Purification of LF. 诱导与表达 E. coli SG13009(pREP4) carrying the recombinant plasmid pPG-LF1 was grown at 37°C in Luria broth with 100 μg of ampicillin and 25 μg of kanamycin per ml at 250 rpm. When the A600
。 近年来,另一个介于二级和三级结构之间的蛋白质结构层次–所谓蛋白质折叠 (fold) 已被证明非常有用。”fold”描述的是二级结构元素的混合组合方式。 根据序列或多序列列线预测蛋白质二级结构的技术已相对比较成熟,但三级结构的预测则相当困难。往往对于三级结构预测,只能通过与已知结构蛋白序列同源性比对来完成。 已有不少相关数据库被建立起来用于蛋白质结构预测。这一方法已是目前进行三级结构预测的最准确方法。但是这一方法并不总是奏效,因为大约有80%的已知蛋白
高表达常常导致包涵体的形成,虽然包涵体具有富集目标蛋白质、抗蛋白酶、对宿主毒性小等优点,但包涵体蛋白质的复性率一般都很低,而分子伴侣、低分子量添加物等在复性过程中的应用及新的复性方法的建立都大大提高了重组蛋白质复性产率。 一、包涵体: 1.1包涵体的定义、组成与特性: 包涵体是指细菌表达的蛋白在细胞内凝集,形成无活性的固体颗粒。 一般含有50%以上的重组蛋白,其余为核糖体元件、RNA聚合酶、内毒素、外膜蛋白ompC、ompF和ompA等,环状或缺口的质粒DNA,以及脂体
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