histone deacetylase

noun

Medical Definition of histone deacetylase 

: an enzyme that catalyzes the hydrolysis of acetyl groups from histone Histones are proteins that regulate DNA packing, and histone deacetylases are enzymes that control the way those proteins work. One of their effects is to keep HIV genes switched off.The Economist, 23 July 2011

Learn More about histone deacetylase

Share histone deacetylase

Comments on histone deacetylase

What made you want to look up histone deacetylase? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a nest or breeding place

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!