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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
- 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 Human Histone H4 (H4C1)
- 库存:
200
- 供应商:
武汉华美生物工程有限公司
- 规格:
1mg/100μg/20μg
| 规格: | 1mg | 产品价格: | ¥14796.0 |
|---|---|---|---|
| 规格: | 100μg | 产品价格: | ¥4374.0 |
| 规格: | 20μg | 产品价格: | ¥2328.0 |
纯度:
Greater than 85% as determined by SDS-PAGE.基因名:
H4C1Uniprot No.:
P62805别名:
/种属:
Homo sapiens (Human)蛋白长度:
Full Length of Mature Protein来源:
E.coli分子量:
18.1 kDa表达区域:
2-103aa氨基酸序列:
SGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLKVFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG蛋白标签:
C-terminal 6xHis-tagged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.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:
Seed storage protein.内毒素:
Not test.SDS-PAGE:
(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.LC-MS Image Description/Western Blot:
/Product types:
In Stock ProteinBiological_Activity:
/Research Areas:
OthersReconstitution:
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.Reference:
"Endosperm-specific expression of human acid beta-glucosidase in a waxy rice." Patti T., Bembi B., Cristin P., Mazzarol F., Secco E., Pappalardo C., Musetti R., Martinuzzi M., Versolatto S., Cariati R., Dardis A., Marchetti S. Rice (N Y) 5:34-34(2012)Function:
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文献和实验X-100或脱氧胆酸钠)和低浓度变性剂(2mol/L尿素或盐酸胍等)洗涤除去脂类和膜蛋白,这一步很重要,否则会导致包涵体溶解和复性的过程中重组蛋白质的降解[6、7、8]。 包涵体的溶解必须用很强的变性剂,如8mol/L尿素、6~8mol/L盐酸胍,通过离子间的相互作用破坏包涵体蛋白间的氢键而增溶蛋白。其中尿素的增溶效果稍差,异氰盐酸胍最强;去污剂,如SDS[7],可以破坏蛋白内的疏水键,可以增溶几乎所有的蛋白,但由于无法彻底去除而不允许用在制药行业中;酸,如70%甲酸[9],可以破坏蛋白
浅析染色质免疫沉淀(ChIP)技术在 DNA 与蛋白质相互作用研究中的重要性
-19]; xChIP:用来研究DNA及低结合力蛋白,采用甲醛或紫外线进行 DNA 和蛋白交联,超声波片段化染色质,然后进行片段富集及后续分析,适用于多数非组蛋白的蛋白,例如 [9, 15, 20]。 X-ChIP 试验的一般过程 以上两种方法在分离 DNA-蛋白质复合物之后,对 DNA 进行 PCR 扩增,验证目标序列的存在。除验证实验外,ChIP DNA也可以进行测序分析,这种方法被称为 ChIP-seq [22] ;也可做芯片分析,这种方法被称为 ChIP on CHIP 或 ChIP
的作用是调控基因表达。例如组蛋白甲基化多导致基因沉默,去甲基化则相反;乙酰化一般是转录激活,去乙酰化则相反。当然,也可在此基础上产生复杂的生物学效应。例如组蛋白去乙酰化酶 HDAC 可影响免疫系统;H3K4me3、H3K9me2 能够调控记忆的形成, 而且 H3K 甲基化与 X 染色体失活、基因组印记和异染色质形成有关;H3 乙酰化通过多种机制调控以来 ATP 的染色质重塑 ,并参与炎症反应;H2A、H2B 泛素化则与 DNA 损害反应有关;而 H3S28 磷酸化与 H3K27 乙酰化可激活转录
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