- 询价
- Cell Signaling Technology
- 7627
- USA
- 2025年10月07日
- W, IP, ChIP
- H,M,R,Mk,Hm,Dm,X,Z,Pg,Sc,Hr
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Acetyl-Histone H3 (Lys14) (D4B9) Rabbit mAb
- 抗原：
synthetic peptide corresponding to residues surrounding acetylated Lys14 of human Histone H3 protein
- 应用范围：
W, IP, ChIP
- 供应商：
CST
- 保质期：
详见说明书
- 级别：
详见MSDS文件
- 库存：
大量
- 适应物种：
H,M,R,Mk,Hm,Dm,X,Z,Pg,Sc,Hr
- 是否单克隆：
1
- 保存条件：
-20°c
- 规格：
100 ul (10 western blots)/carrier free & custom formulation / quantity
| 规格： | 产品价格： | ￥请询价 | |
|---|---|---|---|
| 规格： | 100 ul (10 western blots) | 产品价格： | ￥请询价 |
| 规格： | carrier free & custom formulation / quantity | 产品价格： | ￥请询价 |
pathway more info application references datasheet PDF MSDS PDF protocols
Applications Key: W=Western Blotting IP=Immunoprecipitation ChIP=Chromatin IP
Reactivity Key: H=Human M=Mouse R=Rat Hm=Hamster Mk=Monkey Dm=D. melanogaster X=Xenopus Z=Zebrafish Pg=Pig Sc=S. cerevisiae Hr=Horse
Species cross-reactivity is determined by western blot. Species enclosed in parentheses are predicted to react based on 100% sequence homology.
| Applications | Reactivity | Sensitivity | MW (kDa) | Isotype |
|---|---|---|---|---|
| W IP ChIP | H M R Mk (Hm) (Dm) (X) (Z) (Pg) (Sc) (Hr) | Endogenous | 17 | Rabbit IgG |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Acetyl-Histone H3 (Lys14) (D4B9) Rabbit mAb recognizes endogenous levels of Histone H3 protein only when acetylated at Lys14. This antibody does not cross react with histone H3 acetylated at Lys9, 18, 27, or 56. |
| Source / Purification | Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding acetylated Lys14 of human Histone H3 protein. Western Blotting
Western blot analysis of extracts from HeLa, C2C12, and COS-7 cells, untreated (-) or treated (+) with Trichostatin A (TSA) #9950 (1 μM, 18 h), using Acetyl-Histone H3 (Lys14) (D4B9) Rabbit mAb (upper) or Histone H3 (D1H2) XP® Rabbit mAb #4499 (lower). Chromatin IP
Chromatin immunoprecipitations were performed with cross-linked chromatin from 4 x 106 HeLa cells and either 10 μl of Acetyl-Histone H3 (Lys14) (D4B9) Rabbit mAb or 2 μl of Normal Rabbit IgG #2729 using SimpleChIP® Enzymatic Chromatin IP Kit (Magnetic Beads) #9003. The enriched DNA was quantified by real-time PCR using SimpleChIP® Human GAPDH Intron 2 Primers #4478, SimpleChIP® Human RPL30 Exon 3 Primers #7014, SimpleChIP® Human MyoD1 Exon 1 Primers #4490, and SimpleChIP® Human α Satellite Repeat Primers #4486. The amount of immunoprecipitated DNA in each sample is represented as signal relative to the total amount of input chromatin, which is equivalent to one. ELISA-Peptide
Acetyl-Histone H3 (Lys14) (D4B9) Rabbit mAb specificity was determined by peptide ELISA. The graph depicts the binding of the antibody to pre-coated acetyl-histone H3 (Lys14) peptide in the presence of increasing concentrations of various competitor peptides. As shown, only the acetyl-histone H3 (Lys14) peptide competed away binding of the antibody. |
| Background | The nucleosome, made up of four core histone proteins (H2A, H2B, H3, and H4), is the primary building block of chromatin. Originally thought to function as a static scaffold for DNA packaging, histones have now been shown to be dynamic proteins, undergoing multiple types of post-translational modifications, including acetylation, phosphorylation, methylation, and ubiquitination (1,2). Histone acetylation occurs mainly on the amino-terminal tail domains of histones H2A (Lys5), H2B (Lys5, 12, 15, and 20), H3 (Lys9, 14, 18, 23, 27, and 56), and H4 (Lys5, 8, 12, and 16), and is important for the regulation of histone deposition, transcriptional activation, DNA replication, recombination, and DNA repair (1-3). Hyper-acetylation of the histone tails neutralizes the positive charge of these domains and is believed to weaken histone-DNA and nucleosome-nucleosome interactions, thereby destabilizing chromatin structure and increasing the accessibility of DNA to various DNA-binding proteins (4,5). In addition, acetylation of specific lysine residues creates docking sites for a protein module called the bromodomain, which binds to acetylated lysine residues (6). Many transcription and chromatin regulatory proteins contain bromodomains and may be recruited to gene promoters, in part, through binding of acetylated histone tails. Histone acetylation is mediated by histone acetyltransferases (HATs), such as CBP/p300, GCN5L2, PCAF, and Tip60, which are recruited to genes by DNA-bound protein factors to facilitate transcriptional activation (3). Deacetylation, which is mediated by histone deacetylases (HDAC and sirtuin proteins), reverses the effects of acetylation and generally facilitates transcriptional repression (7,8).
|
| Application References | Have you published research involving the use of our products? If so we'd love to hear about it. Please let us know ! |
| Companion Products |
For Research Use Only. Not For Use In Diagnostic Procedures. |
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文献和实验组蛋白是和染色体相联的最主要的蛋白质。它的作用是和染色体中的 DNA 的负电荷结合。组蛋白是比较小的碱性蛋白；在细胞正常 pH 值时，组蛋白带有正电荷，这样它们就可以和 DNA 结合，这个正电荷主要存在于碱性氨基酸 Lys 和 Arg 的 -NH3 上。其实，组蛋白约含 25% 的 Arg 和 Lys 。比其他蛋白的 Arg ， Lys 的含量都多。和真核 DNA 结合的有 5 种类型的组蛋白： H1 ， H2A ， H2B ， H3
upon the dual pulldown to incorporate a third pulldown which is an iteration of the ChIP and is a pulldown for H3K27me3+ (Figure 1b). The third assay described here is the biotin-RNA pulldown of a low-copy RNA that spans the siRNA targeted promoter region
Competing Chromosomal Proteins from Drosophila Polytene Chromosomes Using Modified Histone Peptides
to chromatin, by its histone tail interaction or by other interactions, then you would not expect to see loss of binding upon peptide competition. A good positive control for the assay is to use H3K9 dimethylated peptide to compete HP1 from the pericentric
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