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Question

What is a histone octamer?


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Solution

Histones:

  1. These are proteins that are rich in lysine and arginine residues and form the cores around which DNA is coiled.
  2. Histone octamer is a positively charged eight protein complex structure present in eukaryotes for the efficient binding of DNA into the nucleus.
  3. Histone octamer is present at the center of a nucleosome.
  4. Two copies of four histone proteins H2A, H2B, H3, and H4 make up the octameric structure of histone.


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