In vitro analysis of histone acetyltransferase activity

Area of Science:

• Biochemistry
• Molecular Biology
• Epigenetics

Background:

• Histone acetylation is a key epigenetic mechanism regulating gene expression.
• There is growing scientific interest in understanding the enzymes involved in histone acetylation.

Purpose of the Study:

• To present robust methodologies for analyzing histone acetyltransferase (HAT) activity in vitro.
• To provide researchers with practical protocols for investigating HAT function.

Main Methods:

• Radiolabeling of histone proteins and N-terminal histone peptides.
• Analysis of acetylation patterns using immunoblotting techniques.
• Methods for acetylating immobilized histone peptides.

Main Results:

• Established protocols for the preparation of radiolabeled histone substrates.
• Demonstrated the utility of immunoblotting for detecting and quantifying histone acetylation.
• Developed techniques for in vitro acetylation assays using immobilized peptides.

Conclusions:

• The presented methods offer reliable approaches for studying histone acetyltransferase activity.
• These techniques will facilitate further research into the role of histone acetylation in biological processes.