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Modified histone peptide arrays are sophisticated research tools that play a crucial role in understanding the complexities of epigenetics and chromatin regulation. These arrays enable scientists to systematically investigate the interactions between proteins, such as antibodies and enzymes, and a vast number of histone peptides that feature various post-translational modifications (PTMs). This high-throughput approach allows for the rapid screening and characterization of binding specificities, making them invaluable for drug discovery, diagnostics, and fundamental biological research.Catalog No. 13005. Description.MODified Histone Peptide Array. Size. 5 arrays. Shipping. room temp. Related products.
The primary function of a modified histone peptide array is to serve as a platform for identifying and validating interactions with specific histone modifications.Histone Code Peptide Microarray By presenting a diverse library of peptides, each representing a unique histone sequence with one or more PTMs, researchers can efficiently assess how different biomolecules recognize and bind to these modified sites.Analysis of histone modification peptide array using IPO-38 ... This capability is particularly critical for antibody development and validation, ensuring that antibodies used in various downstream applications, like ChIP or Western blotting, are highly specific to their intended targetsImproved methods for the detection of histone interactions ....
Histone peptide arrays, including specialized versions like the MODified™ Histone Peptide Array, offer significant advantages in studying histone modifications.Histone Modifying Enzymes: Structures, Mechanisms, and ... They allow for the simultaneous testing of numerous peptides, drastically reducing the time and resources required compared to traditional methods. For instance, a single array can contain hundreds or even thousands of unique histone modification combinations, including peptides with multiple modifications on the same sequence.
The applications of these arrays are broad, spanning:
* Antibody Characterization: Determining the specificity and cross-reactivity of antibodies against various histone modificationsMODified™ Histone Peptide Array. This is crucial for ensuring reliable experimental results in epigenetics research.
* Enzyme Profiling: Screening enzymes that interact with histones, such as histone methyltransferases or acetyltransferases, to understand their substrate preferences and mechanisms of action.
* Protein-Nucleic Acid Interactions: Investigating how proteins involved in chromatin remodeling or gene regulation recognize specific histone marks.
* Drug Discovery: Identifying potential drug targets by understanding how specific histone modifications are recognized by cellular machinery and how these interactions can be modulated.MODified™ Histone Peptide Array (13005)
The "gold-standard" status of modified histone peptide arrays in validating antibody specificity is well-recognized. They provide a comprehensive overview of an antibody's binding landscape, helping researchers avoid pitfalls associated with off-target binding and ensuring the accuracy of their conclusions.
The design of modified histone peptide arrays typically involves immobilizing synthetic peptides onto a solid support, such as a glass slide. These peptides are often 19-mers or longer, representing specific regions of histone proteins, and are engineered to contain a wide array of PTMs, including acetylation, methylation, phosphorylation, ubiquitination, and more. Some advanced arrays also incorporate histone variants and oncogenic mutationsThe MODified Histone Peptide Array isa valuable research toolthat can be used to screen antibodies, enzymes and proteins for cross-reactivity or binding ....
When using these arrays, researchers typically apply their protein of interest (e.gHistone peptide arrays are analytical toolsthat facilitate the systematic investigation of histone PTMs and their interactions with various biomolecules.., an antibody or purified protein) to the array. After incubation, the binding of the protein to specific peptides is detected using fluorescently labeled secondary antibodies or other detection methods. The intensity of the signal at each spot is then quantified, allowing for a detailed analysis of binding affinities and specificities. The MODified™ Histone Peptide Array, for example, is designed for straightforward application, often requiring simple incubation and imaging steps.Analysis of histone modification peptide arrayusing IPO-38 monoclonal antibody. (A) The protein expression of IPO-38 in gastric mucosal cell GES-1 and ...
In summary, modified histone peptide arrays are indispensable tools for dissecting the intricate language of histone modifications. Their ability to facilitate high-throughput screening and detailed specificity analysis empowers researchers to advance our understanding of epigenetics, gene regulation, and the development of novel therapeutic strategies.
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