acetylation

Attaching acetyl groups

Acetylation is a chemical reaction that adds an acetyl group to a molecule.

In biochemistry, acetylation of proteins—especially histones—regulates gene expression and cellular function.

The process affects how tightly DNA wraps around proteins, influencing which genes can be read: Histone acetylation generally promotes gene transcription.

biochemistry

histone

Chromosome-packing protein

  • lysineEssential amino acid
  • chromatinNuclear protein-wrapped genetic material
  • epigeneticsHeritable expression changes, sequence intact

modification · nucleosome · methylation · phosphorylation · HDAC · HAT · N-terminal · tail · residue · covalent

chemistry

nucleophile

Electron-pair donating species

amine · mechanism · substrate · product · catalyst · reaction · aspirin

regulation

transcription

Written version of speech

promoter · enhancer · repressor · regulatory · modulation · signaling · cellular · metabolic · switch

therapeutic

cancer

Uncontrolled cell proliferation disease

antitumor · leukemia · lymphoma · neurodegeneration · inflammation · drug development · precision medicine

Opposites
epigenetic effect on gene expression

acetylationmethylation

Attaching a methyl group

phosphorylation

Family

acetic, acetone, acetate, acetyl, ethylene, acetylate, acetylated

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