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- bsm-33107M-HRP
- 2025年09月30日
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100ul
| 产品编号 | bsm-33107M-HRP |
| 英文名称 | Histone H3(di methyl K27) Mouse mAb, HRP conjugated |
| 中文名称 | HRP标记的甲基化组蛋白H3(di methyl K27)单克隆抗体 |
| 英文别名 | Histone H3(di methyl Lys27); H3K27me2; H3 histone family member E pseudogene; H3 histone family, member A; H3/A; H31_HUMAN; H3F3; H3FA; Hist1h3a; HIST1H3B; HIST1H3C; HIST1H3D; HIST1H3E; HIST1H3F; HIST1H3G; HIST1H3H; HIST1H3I; HIST1H3J; HIST3H3; histone 1, H3a; Histone cluster 1, H3a; Histone H3 3 pseudogene; Histone H3.1; Histone H3/a; Histone H3/b; Histone H3/c; Histone H3/d; Histone H3/f; Histone H3/h; Histone H3/i; Histone H3/j; Histone H3/k; Histone H3/l; H3.1; H3/d; H3C1; H3C10; H3C11; H3C12; H3C2; H3C3; H3C4; H3C7; H3C8; H3FD; |
| 产品应用 | WB=1:500-2000, IHC-P=1:100-500, IHC-F=1:100-500 Not yet tested in other applications. |
| 抗体来源 | Mouse |
| 免疫原 | KLH conjugated synthesised methylpeptide derived from human Histone H3 around the methylation site of di methyl K27 |
| 亚型 | IgG1 |
| 纯化方法 | affinity purified by Protein G |
| 克隆类型 | Monoclonal |
| 浓度 | 1mg/ml |
| 储存液 | 0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol. |
| 研究领域 | Epigenetics and Nuclear Signaling > ChIP assays > ChIP antibodies Epigenetics and Nuclear Signaling > Histones > H3 > Methylated |
| 亚基 | The nucleosome is a histone octamer containing two molecules each of H2A, H2B, H3 and H4 assembled in one H3-H4 heterotetramer and two H2A-H2B heterodimers. The octamer wraps approximately 147 bp of DNA. Interacts with GCN5, whereby H3S10ph increases histone-protein interactions. Interacts with PDD1 and PDD3. |
| 亚细胞定位 | Nucleus. Chromosome. Note=Localizes to both the large, transcriptionally active, somatic macronucleus (MAC) and the small, transcriptionally inert, germ line micronucleus (MIC). |
| 组织特异性 | Expressed in testicular cells.Expressed during S phase, then expression strongly decreases as cell division slows down during the process of differentiation. |
| 翻译后修饰 | Phosphorylated to form H3S10ph. H3S10ph promotes subsequent H3K14ac formation by GCN5. H3S10ph is only found in the mitotically dividing MIC, but not in the amitotically dividing MAC. H3S10ph is correlated with chromosome condensation during mitotic or meiotic micronuclear divisions._x000D_
Acetylation of histone H3 leads to transcriptional activation. H3K14ac formation by GCN5 is promoted by H3S10ph. H3K9acK14ac is the preferred acetylated form of newly synthesized H3. Acetylation occurs almost exclusively in the MAC._x000D_ Methylated to form H3K4me. H3K4me is only found in the transcriptionally active MAC. Methylated to form H3K9me in developing MACs during conjugation, when genome-wide DNA elimination occurs. At this stage, H3K9me specifically occurs on DNA sequences being eliminated (IES), probably targeted by small scan RNAs (scnRNAs) bound to IES, and is required for efficient IES elimination. H3K9me is required for the interaction with the chromodomains of PDD1 and PDD3._x000D_ The full-length protein H3S (slow migrating) is converted to H3F (fast migrating) by proteolytic removal of the first 6 residues. H3F is unique to MIC, and processing seems to occur regularly each generation at a specific point in the cell cycle. |
| 相似性 | Belongs to the histone H3 family. |
| 功能 | Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. H3 is deposited into chromatin exclusively through a DNA replication-coupled pathway that can be associated with either DNA duplication or DNA repair synthesis during meiotic homologous recombination. |
| 保存条件 | Shipped at 4℃. Store at -20°C for one year. Avoid repeated freeze/thaw cycles. |
| 注意事项 | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| 背景资料 | Modulation of the chromatin structure plays an important role in the regulation of transcription in eukaryotes. The nucleosome, made up of four core histone proteins (H2A, H2B, H3 and H4), is the primary building block of chromatin. The N-terminal tail of core histones undergoes different posttranslational modifications including acetylation, phosphorylation and methylation. These modifications occur in response to cell signal stimuli and have a direct effect on gene expression. In most species, the histone H2B is primarily acetylated at lysines 5, 12, 15 and 20. Histone H3 is primarily acetylated at lysines 9, 14, 18 and 23. Acetylation at lysine 9 appears to have a dominant role in histone deposition and chromatin assembly in some organisms. Phosphorylation at Ser10 of histone H3 is tightly correlated with chromosome condensation during both mitosis and meiosis. |
| 应用 | 推荐稀释比例 |
| {WB} | {1:500-2000} |
| {IHC-P} | {1:100-500} |
| {IHC-F} | {1:100-500} |
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文献和实验相关实验
Identifying Differential Histone Modification Sites from ChIPseq Data
a hidden Markov model (HMM) to infer the states of histone modification changes at each genomic location. We evaluated the performance of ChIPDiff by comparing the H3K27me3 modification sites between mouse embryonic stem cell (ESC) and neural progenitor
或不稳定时，这些变量就更为关键。 第 1 步 – 采用对照（实验严谨更可靠） 虽然使用酶消化制备染色质，可以改善 ChIP 操作规程，但合理的对照和高度特异性的抗体也同样重要。在实验操作步骤中添加阳性和阴性对照抗体可确保分析正常进行且结果可靠。阳性对照许多市售的试剂盒附带 Rpb1（RNA 聚合酶 II 的最大亚基）的抗体，做为阳性对照抗体。但是，Rpb1 仅在活性转录位点结合，因此，如果要研究的位点是非活性位点，那么 Rpb1 实际上将作为阴性对照使用。CST 推荐使用 Histone H3 (D
实际上将作为阴性对照使用。CST 推荐使用 Histone H3 (D2B12) XP® Rabbit mAb (ChIP Formulated) #4620。该抗体可检测与基因组中所有 DNA 序列结合的所有组蛋白 H3 类型（H3、H3.3、CENP-A）。因此，不管检测的位点活性状态如何，该抗体都能为 ChIP 实验提供通用的阳性对照。 阴性对照 阴性对照抗体（如正常兔 IgG）不能识别特异抗原表位，因此可用于检测非特异性结合。例如，如果阴性对照样品中的产物量等于特异
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Histone H3(di methyl K27) Mouse mAb, HRP conjugated(bsm-33107M-HRP)-100ul
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