|  | Modification Sites | Functions | ||
---|---|---|---|---|---|
 |  | mammals | A. thaliana | G. max |  |
Acetylation | K9 | + | + | nd | Transcriptional activation |
 | K14 | + | + | + | Transcriptional activation |
 | K18 | + | + | + | Transcriptional activation |
 | K23 | + | + | + | Transcriptional activation |
 | K56 | nd | + | nd |  |
Methylation | K4 | + | + | + | Transcriptional activation |
 | K9 | + | + | nd | Transcriptional repression |
 | K27 | + | + | + | Transcriptional repression |
 | K36 | + | + | + | Transcriptional activation |
 | K64 | + | nd | nd |  |
 | K79 | + | nd | + | Telomere silencing |
 | K122 | + | nd | nd |  |