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Chromatin Immunoprecipitation- ChIP

Chromatin Immunoprecipitation- ChIP

Chromatin immunoprecipitation, or ChIP, is an antibody-based technique used to identify sites on DNA that bind to transcription factors of interest or histone proteins. It also helps determine the type of histone modifications such as acetylation, phosphorylation, or methylation.
Types of ChIP
ChIP can be divided into two types - X-ChIP and N-ChIP. X-ChIP involves in vivo cross-linking of histones and regulatory proteins to DNA, fragmenting the DNA by sonication, and isolating the protein-DNA...

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Related Experiment Video

Updated: Jun 6, 2025

In Vitro Characterization of Histone Chaperones using Analytical, Pull-Down and Chaperoning Assays

In Vitro Characterization of Histone Chaperones using Analytical, Pull-Down and Chaperoning Assays

Published on: December 29, 2021

A Method for Characterizing Protein-Histone Peptide Interactions In Vitro.

Claire Jourdain¹, Bernadette Eichstädt¹, Daniel Schubert²

¹Institute for Biology, Freie Universität Berlin, Berlin, Germany.

Methods in Molecular Biology (Clifton, N.J.)

|November 22, 2024

Summary

This summary is machine-generated.

Histone reader proteins interpret the "histone code" by binding to specific histone posttranslational modifications (PTMs). This study presents a method using peptide arrays to reveal histone reader binding specificities for gene regulation insights.

Keywords:

GST protein purification Histone modifications Histone peptide array Histone readers PTMs Pull-down assay

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Last Updated: Jun 6, 2025

In Vitro Characterization of Histone Chaperones using Analytical, Pull-Down and Chaperoning Assays

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Published on: December 29, 2021

Sequential Salt Extractions for the Analysis of Bulk Chromatin Binding Properties of Chromatin Modifying Complexes

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Analysis of Histone Antibody Specificity with Peptide Microarrays

Analysis of Histone Antibody Specificity with Peptide Microarrays

Published on: August 1, 2017

Area of Science:

Molecular Biology
Epigenetics
Gene Regulation

Background:

Histone posttranslational modifications (PTMs) form a

Purpose of the Study:

To develop and present a protocol for identifying the binding specificity of histone reader proteins.
To elucidate how histone readers interpret the histone code.

Main Methods:

Utilizing histone peptide arrays to screen for PTM binding.
Employing in vitro pull-down assays to validate binding interactions.

Main Results:

The protocol successfully identifies specific binding patterns of histone readers to various PTMs.
This method allows for a detailed understanding of histone reader recognition specificities.

Conclusions:

The described protocol is effective for characterizing histone reader binding specificities.
Understanding these specificities is crucial for deciphering gene regulation mechanisms governed by the histone code.