| 5caC | 5-carboxycytosine |
| 5fC | 5-formylcytosine |
| 5hmC | 5-hydroxymethylcytosine |
| 5mC | 5-methylcytosine |
| acet | acetylation |
| ATRX | a-thalassemia/mental retardation syndrome X linked |
| C | cytosine |
| CREB | cyclic AMP-responsive element-binding protein |
| CTCF | CCCTC-binding factor |
| CTD | C-terminal domain |
| (di)met | (di)methylation |
| gl | N-acetylglucosamine |
| HDAC | histone deacetylase |
| HP1 | heterochromatin protein 1 |
| ID | intervening domain |
| MBD | methyl-CpG-binding domain |
| MeCP2 | methyl-CpG binding protein 2 |
| NA | nucleosomal array |
| NID | NCoR/SMRT interaction domain |
| NTD | N-terminal domain |
| PAR | poly(ADP-ribosyl)ation |
| phos | phosphorylation |
| PTM | post-translational modification |
| RTT | Rett syndrome |
| TAD | topologically associated domain |
| TET | Ten-eleven translocation |
| TRD | transcriptional repression domain |
| ubi | ubiquitination |
| YB-1 | Y box-binding protein 1 |