Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Schematic of DNA compaction levels facilitated by nucleosomes. Left: (A) DNA wound around the histone octamer, forming a nucleosome; (B) Nucleosomes aggregated into chromatin fibres, which compile into higher order three-dimensional loops and domains; (C) Chromatin fibres assembling into chromosomes. Right: indication of the scale of each successive structures compaction.
