What is the function of histones?

Histones are structural proteins which bind with DNA molecules to aid the condensation process by allowing a more improved packing of the long double helix structure. In other words, DNA wraps around histones in order to make the chromatin, which is more compact than loose DNA. There are five histone types, which include H1, H2A, H2B, H3, and H4, where H1 is a linker histone, and other types are responsible for creating a nucleosome. The latter is an octamer, on which the DNA is wrapped for condensation.

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