Question

Which histone protein is not a part of nucleosome?

Answer 1

Nucleosome:

1. It is a part of DNA (deoxyribonucleic acid), which is wrapped around a core of proteins.
2. It is the repeating unit in the chromatin thread.
3. It is formed of a core of histone octamers enveloped around by a double helix DNA.
4. Histone octamer exhibit two molecules each of H2A, H3, H4, and H2B histone proteins, the histone proteins are the basic proteins.
5. The H1 histone protein is not a constituent of the nucleosome and associates the two nucleosomes along with the linker DNA.