TABLE 1.
Modification | Function | |
---|---|---|
Acetylation | H3K9ac | Transcriptional activation (promoters) |
H3K14ac | Transcriptional activation (promoters) | |
H3K18ac | Transcriptional activation (promoters) | |
H3K27ac | Transcriptional activation (enhancers) | |
H3K36ac | Transcriptional activation (promoters) | |
H4K5ac | Transcriptional activation (promoters) | |
H4K8ac | Transcriptional activation (promoters) | |
H4K12ac | Transcriptional activation (promoters) | |
H4K16ac | Transcriptional activation (promoters) | |
H4K91ac | Transcriptional activation (promoters) | |
Methylation | H3K4me1 | Transcriptional activation (enhancers) |
H3K4me3 | Transcriptional activation (promoters) | |
H3K9me3 | Transcriptional repression | |
H3K27me3 | Transcriptional repression (promoters) | |
H3K36me3 | Transcriptional activation | |
H3K79me3 | Transcriptional activation (promoters) | |
H4K20me1 | Transcriptional activation | |
H4K20me3 | Transcriptional repression |
Histone lysine acetylation at both promoter and enhancer regions is associated with transcriptional activation. Histone lysine methylation is typically associated with transcriptional repression, but in some cases can also be associated with transcriptional activation.