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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...

Immunoprecipitation

Immunoprecipitation

Immunoprecipitation, or IP, is a widely used technique that employs protein-antibody interactions to isolate proteins or protein complexes in their native state for studying protein-protein interactions, quaternary structures, or supramolecular complexes. Various modifications of the technique, including chromatin IP, cross-linking IP, and fluorescence IP, are commonly used.
Chromatin Immunoprecipitation
Chromatin immunoprecipitation, also known as ChIP, is used to study protein-DNA or...

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Related Experiment Video

Updated: Feb 20, 2026

Generation of High Quality Chromatin Immunoprecipitation DNA Template for High-throughput Sequencing ChIP-seq

Generation of High Quality Chromatin Immunoprecipitation DNA Template for High-throughput Sequencing ChIP-seq

Published on: April 19, 2013

Chromatin Immunoprecipitation (ChIP) with Erythroid Samples.

Ivan Krivega¹, Ann Dean²

¹Laboratory of Cellular and Developmental Biology, National Institute of Diabetes, Digestive and Kidney Diseases, National Institutes of Health, 50 South Drive, MSC 8028, Bethesda, MD, 20892, USA.

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

|October 28, 2017

Summary

This study presents a widely applicable method for Chromatin Immunoprecipitation (ChIP) and ChIP sequencing (ChIP-seq). These techniques identify protein binding sites within chromatin across various cell types and tissues.

Keywords:

Antibody ChIP ChIP-seq Chromatin Crosslinking DNA-binding protein Immunoprecipitation

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Related Experiment Videos

Last Updated: Feb 20, 2026

Generation of High Quality Chromatin Immunoprecipitation DNA Template for High-throughput Sequencing ChIP-seq

Generation of High Quality Chromatin Immunoprecipitation DNA Template for High-throughput Sequencing ChIP-seq

Published on: April 19, 2013

Chromatin Immunoprecipitation from Human Embryonic Stem Cells

Chromatin Immunoprecipitation from Human Embryonic Stem Cells

Published on: July 22, 2008

Chromatin Immunoprecipitation Assay for Tissue-specific Genes using Early-stage Mouse Embryos

Chromatin Immunoprecipitation Assay for Tissue-specific Genes using Early-stage Mouse Embryos

Published on: April 29, 2011

Area of Science:

Molecular Biology
Genomics
Epigenetics

Background:

Chromatin immunoprecipitation (ChIP) is essential for identifying protein-DNA interactions.
Understanding protein binding sites is crucial for gene regulation studies.

Purpose of the Study:

To present a robust and widely applicable methodology for Chromatin Immunoprecipitation (ChIP) and Chromatin Immunoprecipitation sequencing (ChIP-seq).
To enable the identification of protein binding locations within chromatin.

Main Methods:

Utilizing chemical crosslinking with reagents like formaldehyde to stabilize DNA-protein interactions.
Employing specific antibodies for immunoprecipitation of target proteins.
Applying PCR amplification (ChIP) or sequencing (ChIP-seq) to identify bound DNA sites.

Main Results:

The presented methodology is demonstrated to be effective and broadly applicable.
Successful application across erythroid cell lines, progenitor cells, and tissues.

Conclusions:

The developed ChIP and ChIP-seq methods provide a versatile tool for chromatin analysis.
This approach facilitates the study of protein-chromatin interactions in diverse biological contexts.