- ￥1200
- Biorigin
- BN42004M
- 2025年08月15日
- IHC-P,
- Human,Mouse,Rat,
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- 详细信息
- 文献和实验
- 技术资料
- 适应物种：
Human,Mouse,Rat,
- 应用范围：
IHC-P,
- 抗体英文名：
Histone H2B
- 规格：
50ul
| 英文名称 | Histone H2B |
| 中文名称 | 组蛋白H2B单克隆抗体 |
| 别 名 | H2B.1 A; H2B/a; H2B/g; H2B/h; H2B/k; H2B/l; H2B/l. |
| 研究领域 | 细胞生物 表观遗传学 |
| 抗体来源 | Mouse |
| 克隆类型 | Monoclonal |
| 克 隆 号 | 4H9 |
| 交叉反应 | Human, Mouse, Rat, |
| 产品应用 | IHC-P=1:100-500 IHC-F=1:100-500 ICC=1:100-500 IF=1:100-500 （石蜡切片需做抗原修复） not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user. |
| 分 子 量 | 14kDa |
| 细胞定位 | 细胞核 |
| 性 状 | Liquid |
| 浓 度 | 1mg/ml |
| 免 疫 原 | KLH conjugated synthetic peptide derived from human Histone H2B: |
| 亚 型 | IgG |
| 纯化方法 | affinity purified by Protein G |
| 储 存 液 | 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol. |
| 保存条件 | Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. |
| PubMed | PubMed |
| 产品介绍 | Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Two molecules of each of the four core histones (H2A, H2B, H3, and H4) form an octamer, around which approximately 146 bp of DNA is wrapped in repeating units, called nucleosomes. The linker histone, H1, interacts with linker DNA between nucleosomes and functions in the compaction of chromatin into higher order structures. This gene encodes a member of the histone H2B family, and generates two transcripts through the use of the conserved stem-loop termination motif, and the polyA addition motif. [provided by RefSeq, Jul 2008] Function: In diploid eukaryotic cells, the chromatin fibers are about 20nM in diameter. They consist of two major components in equal amounts, DNA and basic proteins called histones. Histones are believed to be regularly arranged in the deep groove of the DNA helix. The recurring positive charges of the histones form electrostatic associations with the negatively charged phosphate groups of DNA, making the DNA more stable and flexible. This allows for the supercoiling of the chromatin fibers. Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Nucleosomes consist of approximately 146 bp of DNA wrapped around a histone octamer composed of pairs of each of the four core histones (H2A, H2B, H3, and H4). The chromatin fiber is further compacted through the interaction of a linker histone, H1, with the DNA between the nucleosomes to form higher order chromatin structures. Linker histones are involved in the formation of higher order structure in chromatin and the maintenance of overall chromatin compaction. Whilst the core histones are highly conserved across a wide range of organisms, the linker histones are less conserved. Subcellular Location: Nuclear Similarity: Belongs to the histone H2B family. SWISS: P33778 Gene ID: 3017 Database links:
Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
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文献和实验)、DNA和少量RNA组成。组蛋白有H1、H2A、H2B、H3、H4五种。DNA包装时，由各两个H2A、H2B、H3、H4组成一个八聚体核小体，每个八聚体可缠绕146 bpDNA(称为核心DNA)。H1联系相邻的核小体，有利于DNA更高级的包装。重复的核小体结构加上连接DNA，通过组蛋白及其他非组蛋白进一步地折叠、压缩，形成高度有序的染色质结构。 在细胞生命活动的选择性基因沉默或基因表达过程中，包裹于染色质中的基因组DNA序列一般不发生改变，但细胞核内的染色质结构可以发生高度动态变化，使一些特定
., 2010)，是 DNA 双链断裂后最早发生的事件之一。目前对 H2B 磷酸化的研究还不够深入，但发现 H2B 磷酸化可促进凋亡相关的染色质浓缩、DNA 断裂和细胞死亡 (Füllgrabe et al., 2010)。 泛素化 所有组蛋白核心蛋白都可以被泛素化，但 H2A 和 H2B 是最常见的，也是细胞核中泛素化程度最高的 两种蛋白 (Cao et al., 2012)。组蛋白泛素化在 DNA 损伤反应中起核心作用。 在 DNA 双链断裂位点发现了组蛋白 H2A、H2B 和 H2AX 的单泛素
染色质的基本结构单位，为核蛋白的结构体。亦称 v体（ v body）。核小体为由组蛋白 H2A、 H2B、 H3及 H4各 2分子所形成的组蛋白 8聚体（ histone octamer），即在组蛋白核心（ histoncore）的周围绕以 DNA。用某种核酸酶处理可分成核小体核心粒子（ nucleosome core particle）和具有核粒子间连接作用的连接 DNA（ Linker DNA）二部分。核心粒子是由组蛋白核心和绕在周围的有 146个核苷酸对的 DNA所构成
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