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Information on EC 2.3.1.48 - histone acetyltransferase

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EC Tree
     2 Transferases
         2.3 Acyltransferases
             2.3.1 Transferring groups other than aminoacyl groups
                2.3.1.48 histone acetyltransferase
IUBMB Comments
A group of enzymes acetylating histones. Several of the enzymes can also acetylate lysines in other proteins [3,4].
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This record set is specific for:
UNIPROT: Q9H8E8
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Word Map
The enzyme appears in viruses and cellular organisms
Synonyms
clock, histone acetyltransferase, n-acetyltransferase, tip60, histone acetyltransferases, cbp/p300, creb-binding protein, ep300, crebbp, creb binding protein, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
acetyltransferase, histone
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histone acetokinase
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histone acetylase
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histone transacetylase
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nucleosome-histone acetyltransferase
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additional information
part of the double-histone-acetyltransferase complex ATAC, ADA2A-containing complex
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Acyl group transfer
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SYSTEMATIC NAME
IUBMB Comments
acetyl-CoA:[protein]-L-lysine acetyltransferase
A group of enzymes acetylating histones. Several of the enzymes can also acetylate lysines in other proteins [3,4].
CAS REGISTRY NUMBER
COMMENTARY hide
9054-51-7
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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
acetyl-CoA + histone H4
CoA + acetylhistone H4
show the reaction diagram
recombinant ATAC2 has a weak HAT activity directed to histone H4
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?
additional information
?
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ATAC2 associates with GCN5 and other proteins linked to chromatin metabolism
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?
NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
additional information
?
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ATAC2 associates with GCN5 and other proteins linked to chromatin metabolism
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?
COFACTOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
acetyl-CoA
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pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
7.9
assay at
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
37
assay at
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
ATAC2
UniProt
Manually annotated by BRENDA team
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
physiological function
ATAC2 not only carries out an enzymatic function but also plays an architectural role in the stability of mammalian ATAC
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
CSR2B_HUMAN
782
0
88844
Swiss-Prot
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SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
additional information
ATAC2, mass spectrometric analysis
PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
additional information
depletion of ATAC2 results in the disassembly of the ATAC complex. Loss of Atac2 leads to reduced histone acetylation, cell death, and G2/M arrest
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
recombinant Atac2 fused to two HA and two FLAG tags from nuclear extracts of HEK-293 cells and murine C2C12 cells by M2-agarose affinity chromatography and gel filtration
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
ATAC2, DNA and amino acid sequence determination and analysis, Atac2 fused to two HA and two FLAG tags is stably expressed in nuclei of HEK-293 cells and in murine C2C12 cells
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Guelman, S.; Kozuka, K.; Mao, Y.; Pham, V.; Solloway, M.J.; Wang, J.; Wu, J.; Lill, J.R.; Zha, J.
The double-histone-acetyltransferase complex ATAC is essential for mammalian development
Mol. Cell. Biol.
29
1176-1188
2009
Mus musculus, Homo sapiens (Q9H8E8)
Manually annotated by BRENDA team