histone acetyltransferase

histone acetyltransferase
his·tone ace·tyl·trans·fer·ase (hisґtōn ə-se″til-transґfər-ās) [EC] any of a group of enzymes that add an acetyl group to histone, resulting in release of the restricted access to DNA that histone usually imposes.

Medical dictionary. 2011.

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  • Histone acetyltransferase — protein Name=Histone Acetyltransferase 1 caption= width= HGNCid=4821 Symbol=HAT1 AltSymbols= EntrezGene=8520 OMIM=603053 RefSeq=NM 003642 UniProt=O14929 PDB= ECnumber= Chromosome=2 Arm=q Band=31.2 33.1 LocusSupplementaryData=Histone… …   Wikipedia

  • Histone deacetylase — Histone deacetylases (HDAC) (EC number 3.5.1) are a class of enzymes that remove acetyl groups from an ε N acetyl lysine amino acid on a histone. Its action is opposite to that of histone acetyltransferase.ubtypesHDAC proteins are found in three… …   Wikipedia

  • Acetyltransferase — is a type of transferase enzyme which transfers an acetyl group.Examples include: * Histone acetyltransferases including CBP histone acetyltransferase * Choline acetyltransferase * Chloramphenicol acetyltransferase * Serotonin N acetyl… …   Wikipedia

  • Histone — In biology, histones are the chief protein components of chromatin. They act as spools around which DNA winds, and they play a role in gene regulation. Without histones, the unwound DNA in chromosomes would be very long. For example, each human… …   Wikipedia

  • Histone-Modifying Enzymes — The packaging of the eukaryotic genome into highly condensed chromatin makes it inaccessible to the factors required for gene transcription, DNA replication, recombination and repair. Eukaryotes have developed intricate mechanisms to overcome… …   Wikipedia

  • Histone methyltransferase — protein Name = euchromatic histone lysine N methyltransferase 1 caption = width = HGNCid = 24650 Symbol = EHMT1 AltSymbols = EntrezGene = 79813 OMIM = 607001 RefSeq = NM 024757 UniProt = Q9H9B1 PDB = ECnumber = Chromosome = 9 Arm = Band …   Wikipedia

  • Histone acetylation and deacetylation — In histone acetylation and deacetylation, the histones are acetylated and deacetylated on lysine residues in the N terminal tail and on the surface of the nucleosome core as part of gene regulation. Typically, these reactions are catalyzed by… …   Wikipedia

  • Histone acétyl transférase — L Histone acétyl transférase, abrégée en HAT est une enzyme associée à l activation de la transcription, notamment en agissant sur le remodelage et la décondensation de la chromatine, permettant ainsi l exposition de nombreux sites de liaisons… …   Wikipédia en Français

  • Acétyltransférase — Structure d un groupe acétyle Une acétyltransférase (ou transacétylase) est une enzyme de type transférase qui transfère un groupe acétyle. Ces enzymes font donc partie des acyltransférases (EC 2.3) et forment, avec d autres, la sous classe EC… …   Wikipédia en Français

  • Choline acetyltransferase — Identifiers EC number CAS number 9012 78 6 …   Wikipedia