modified-histone-peptide-array
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).Histone peptide arrays are essential screening toolsto evaluate the specificity and cross-reactivity of antibodies against histones H2A, H2B, H3, H4, ... This high-throughput approach allows for the rapid screening and characterization of binding specificities, making them invaluable for drug discovery, diagnostics, and fundamental biological researchExtensive peptide librarycovering all known natural variants of histone sequences and modifications displayed on one microarray (> 3800 peptides)..
The primary function of a modified histone peptide array is to serve as a platform for identifying and validating interactions with specific histone modifications. 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. 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 targets.Detailed specificity analysis of antibodies binding to ...
Histone peptide arrays, including specialized versions like the MODified™ Histone Peptide Array, offer significant advantages in studying histone modificationsEpiCypher EpiTitan™ Histone Peptide Arrays aredesigned for semi-quantitative and high-throughput analysisof the binding specificity of antibodies and histone.. 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 modifications(13001)MODified™Histone Peptide Array. A protein detection kit, supplied by Active Motif, cited in 28 publications. Go to: Supplier info. Comments. 28 .... 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.MODified Histone Peptide Array | ABIN2866086
* Drug Discovery: Identifying potential drug targets by understanding how specific histone modifications are recognized by cellular machinery and how these interactions can be modulated.
The "gold-standard" status of modified histone peptide arrays in validating antibody specificity is well-recognized.Application of modified histone peptide arrays in chromatin ... 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.Application of modified histone peptide arrays in chromatin ...
The design of modified histone peptide arrays typically involves immobilizing synthetic peptides onto a solid support, such as a glass slideEach peptide array contains 384 unique histone modification combinations in duplicate, including up to four separate modifications on the same 19mer peptide.. 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 mutations.The 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.g., an antibody or purified protein) to the array作者：R Mauser·2019·被引用次数：20—In general,modified histone peptide arrayscan be used to study the modification specific binding of many different biological samples, like antibodies, .... After incubation, the binding of the protein to specific peptides is detected using fluorescently labeled secondary antibodies or other detection methodsThe Histone H3 Peptide Array ELISA Kit (96-well plate-based) (ab233494)is designed to rapidly examine the selectivity and specificity of antibodiesagainst 46 .... 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.MODified Histone Peptide Array
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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