DB identifier
|
AT3G54610 | Secondary Identifier
|
locus:3354973 |
| Name
|
histone acetyltransferase of the GNAT family 1 | Brief Description | histone acetyltransferase of the GNAT family 1 |
| TAIR Computational Description | histone acetyltransferase of the GNAT family 1;(source:Araport11) |
| TAIR Curator Summary | Encodes a histone acetyltransferase that plays a role in the determination of the embryonic root-shoot axis. It is also required to regulate the floral meristem activity by modulating the extent of expression of WUS and AG. In addition, it is involved in stem cuticular wax accumulation by modulating CER3 expression via H3K9/14 acetylation. In other eukaryotes, this protein is recruited to specific promoters by DNA binding transcription factors and is thought to promote transcription by acetylating the N-terminal tail of histone H3. The enzyme has indeed been shown to catalyse primarily the acetylation of H3 histone with only traces of H4 and H2A/B being acetylated. Non-acetylated H3 peptide or an H3 peptide that had been previously acetylated on K9 both serve as excellent substrates for HAG1-catalyzed acetylation. However, prior acetylation of H3 lysine 14 blocks radioactive acetylation of the peptide by HAG1. HAG1 is specific for histone H3 lysine 14. |
| TAIR Short Description | histone acetyltransferase of the GNAT family 1 |
| TAIR Aliases | BGT, GCN5, HAC3, HAG01, HAG1, HAT1 |
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