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Merck
CN

SAB4200045

Sigma-Aldrich

Anti-Dimethyl-Histone H3 (diMe-Lys27) antibody, Rat monoclonal

clone K27 8H2, purified from hybridoma cell culture

别名:

Anti-H3K27me2, Monoclonal Anti-Dimethyl-Histone H3 (diMe-Lys27) antibody produced in rat

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UNSPSC代码:
12352203
NACRES:
NA.41
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生物来源

rat

偶联物

unconjugated

抗体形式

purified from hybridoma cell culture

抗体产品类型

primary antibodies

克隆

K27 8H2, monoclonal

表单

buffered aqueous solution

分子量

antigen ~15 kDa

种属反应性

hamster, human, bovine, Drosophila, rat, mouse

技术

immunocytochemistry: suitable
western blot: 0.25-0.5 μg/mL using HeLa cell extracts

运输

dry ice

储存温度

−20°C

靶向翻译后修饰

dimethylation (Lys27)

基因信息

bovine ... H3C1(517139)
human ... H3C1(8350)
mouse ... H3C1(360198)
rat ... H3C1(679994)

一般描述

Monoclonal Anti-dimethyl-Histone H3 (diMe-Lys27) (rat IgG2a isotype) is derived from the hybridoma K27 8H2 produced by the fusion of mouse myeloma cells and splenocytes from rat immunized with a synthetic methylated peptide.

应用

Monoclonal Anti-Dimethyl-Histone H3 (diMe-Lys27) antibody produced in rat may be used in immunoblotting and immunocytochemistry.

生化/生理作用

Methylation of histone H3 on Lys27 is associated with polycomb-mediated gene silencing in several systems. Mammals exhibit enrichment of [Me-Lys27] histone H3 at heterochromatin and [diMe-Lys27] histone H3 in euchromatin. [Me-Lys27] histone H3, also marks the inactive X chromosome. The relatively unstructured and highly charged N-terminal tail domains of histones are central to the processes that modulate chromatin structures such as acetylation, phosphorylation, and methylation, which occur particularly on Histones H3 and H4. Lysine residues can be mono-, di-, and trimethylated at different heterochromatic subdomains, adding further complexity to the regulation of chromatin structure. Conserved lysine residues in the N-terminal tail domain of histone H3, Lys4, Lys9 and Lys27 are the favored methylation sites.
Monoclonal Anti- dimethyl-Histone H3 (diMe-Lys27) specifically recognizes histone H3 dimethylated on Lys27 in human, bovine, mouse, rat, hamster, and Drosophila.

外形

Solution in 0.01M phosphate buffered saline pH 7.4, containing 15 mM sodium azide.

制备说明

Store at –20 °C. For continuous use, the product may be stored at 2–8 °C for up to one month. For extended storage, freeze at –20 °C in working aliquots. Repeated freezing and thawing, or storage in “frost-free” freezers, is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.

免责声明

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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储存分类代码

10 - Combustible liquids

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

常规特殊物品
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分析证书(COA)

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Ikuhiro Okamoto et al.
Science (New York, N.Y.), 303(5658), 644-649 (2003-12-13)
The initiation of X-chromosome inactivation is thought to be tightly correlated with early differentiation events during mouse development. Here, we show that although initially active, the paternal X chromosome undergoes imprinted inactivation from the cleavage stages, well before cellular differentiation.
B D Strahl et al.
Nature, 403(6765), 41-45 (2000-01-19)
Histone proteins and the nucleosomes they form with DNA are the fundamental building blocks of eukaryotic chromatin. A diverse array of post-translational modifications that often occur on tail domains of these proteins has been well documented. Although the function of
Signaling to chromatin through histone modifications.
P Cheung et al.
Cell, 103(2), 263-271 (2000-11-01)
Antoine H F M Peters et al.
Molecular cell, 12(6), 1577-1589 (2003-12-24)
Methylation of position-specific lysine residues in histone N termini is a central modification for regulating epigenetic transitions in chromatin. Each methylatable lysine residue can exist in a mono-, di-, or trimethylated state, thereby extending the indexing potential of this particular

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