Histones function based on gene expression and chromatin regulation
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In biology, histones are highly alkaline proteins found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. They are the chief protein components of chromatin, acting as spools around which DNA winds, and playing a role in gene regulation.
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Histones are proteins that associate with DNA. The core histones are H2A, H2B, H3, and H4. ... Histones play a role in packaging DNA into nucleosomes, and they are the main protein in chromatin. In addition, gene expression can be regulated by histones.
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