ENZYME entry: EC 1.14.11.69
| Accepted Name |
|---|
| [Histone H3]-trimethyl-L-lysine(36) demethylase.
|
| Reaction catalysed |
|---|
| A [histone H3]-N(6),N(6),N(6)-trimethyl-L-lysine(36) + 2 2-oxoglutarate + 2 O(2) <=> a [histone H3]-N(6)-methyl-L-lysine(36) + 2 succinate + 2 formaldehyde + 2 CO(2) |
| Comment(s) |
|---|
- Requires iron(II).
- This entry describes a group of enzymes that demethylate N-methylated
Lys(36) residues in the tail of the histone protein H3 (H3K36).
- This lysine residue can exist in three methylation states (mono-,
di- and trimethylated), but this group of enzymes only act on the the
tri- and di-methylated forms.
- The enzymes are dioxygenases and act by hydroxylating the methyl
group, forming an unstable hemiaminal that leaves as formaldehyde.
- Since trimethylation of H3K36 enhances transcription, this enzyme
acts as a transcription repressor.
- The enzymes that possess this activity often also catalyze the
activity of EC 1.14.11.66, cf. EC 1.14.11.27.
|
| Cross-references |
|---|
| BRENDA | 1.14.11.69 |
| EC2PDB | 1.14.11.69 |
| ExplorEnz | 1.14.11.69 |
| PRIAM enzyme-specific profiles | 1.14.11.69 |
| KEGG Ligand Database for Enzyme Nomenclature | 1.14.11.69 |
| IUBMB Enzyme Nomenclature | 1.14.11.69 |
| IntEnz | 1.14.11.69 |
| MEDLINE | Find literature relating to 1.14.11.69 |
| MetaCyc | 1.14.11.69 |
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