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histone

histone

4 7.4
A small protein in the cell nucleus that helps pack DNA
  • noun
  • /ˈhɪstoʊn/
  • Specialized
translation icon : histona
  • The DNA is tightly packed by proteins, histones, then it opens up.
  • histone deacetylase
  • histone modifications
  • histone methylation

Examples

  • In this light, the effects of DZNep on inhibition of histone methylation are not specifically restricted to EZH2.

    Academic text (2017)
  • This curve will wrap around proteins called histones and form some sort of bead necklace.

  • So any questions at all about histone Marks and decoding?

  • Yeah, because sirtuins are histone deacetylases, right?

  • Among the histone modifications associated with cancer, methylation of histone lysine residues has gained much importance in recent years.

    Academic text (2017)
  • In multiple myeloma cells, the anti-carcinogenic properties of triptolide have been shown to be mediated by the regulation of histone methylation.

    Academic text (2017)
  • Deregulation of this histone modification can lead to epigenetic silencing of tumor suppressor genes, thus leading to tumorigenesis.

    Academic text (2017)
  • There is an inverse correlation between EZH2 and class I histone deacetylases (HDACs) with TIMP-3 expression in breast cancer cells.

    Academic text (2017)
  • Polycomb repressive complex 2 (PRC2) is one such methyltransferase that methylates lysine-27 of histone H3 (H3-K27).

    Academic text (2017)
  • Histones are essential proteins in cell nuclei that help package histone into a compact structure.

Compounds

core histone
  • Specialized
8.3

A protein that DNA wraps around inside cells

linker histone
  • Specialized
7.5

A protein that helps fold and hold DNA inside the cell nucleus

Surface Forms

histone singular
histones plural

Etymology

Histone comes from the Greek histos, meaning 'tissue', plus the ending -one that names many chemicals and proteins. So histone is a fitting name for the proteins in cells that help pack DNA into tight bundles.