histone H3K36me2/H3K36me3 demethylase activity
Definition
Target type: molecularfunction
Catalysis of the removal of a methyl group from a tri- or a dimethyl-lysine residue at position 36 of the histone H3 protein. This is a dioxygenase reaction that is dependent on Fe(II) and 2-oxoglutarate. [PMID:21914792]
Histone H3K36me2/H3K36me3 demethylase activity refers to the enzymatic removal of two or three methyl groups from lysine 36 of histone H3. This activity is crucial for regulating gene expression, DNA repair, and chromatin structure. H3K36me2 and H3K36me3 are histone modifications that primarily occur within gene bodies, and they are generally associated with active transcription. Demethylation of these modifications by specific enzymes, known as histone demethylases, can contribute to the silencing of genes. The process involves the enzymatic removal of methyl groups from lysine 36 of histone H3, which can alter the interaction of the histone tail with other proteins involved in gene regulation. This demethylation can lead to changes in chromatin structure, accessibility, and ultimately, gene expression. Specific demethylases that target H3K36me2/H3K36me3 include the JmjC domain-containing proteins KDM4A, KDM4B, KDM4C, and KDM4D. These enzymes play a critical role in fine-tuning gene expression and maintaining genomic integrity.'
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Proteins (1)
| Protein | Definition | Taxonomy |
|---|---|---|
| Lysine-specific demethylase 4A | A lysine-specific demethylase 4A that is encoded in the genome of human. [PRO:DNx, UniProtKB:O75164] | Homo sapiens (human) |
Compounds (12)
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| deferiprone | deferiprone : A member of the class of 4-pyridones that is pyridin-4(1H)-one substituted at positions 1 and 2 by methyl groups and at position 3 by a hydroxy group. A lipid-soluble iron-chelator used for treatment of thalassaemia. Deferiprone: A pyridone derivative and iron chelator that is used in the treatment of IRON OVERLOAD in patients with THALASSEMIA. | 4-pyridones | iron chelator; protective agent |
| deferoxamine | Deferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form. desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator. | acyclic desferrioxamine | bacterial metabolite; ferroptosis inhibitor; iron chelator; siderophore |
| 2,4-pyridinedicarboxylic acid | lutidinic acid : A pyridinedicarboxylic acid carrying carboxy groups at positions 2 and 4. | pyridinedicarboxylic acid | |
| daminozide | daminozide: induces tumors | straight-chain fatty acid | |
| toxoflavin | toxoflavin : A pyrimidotriazine that is 1,6-dimethyl-1,5,6,7-tetrahydropyrimido[5,4-e][1,2,4]triazine with oxo groups at positions 5 and 7. toxoflavin: azapteridine antibiotic; structure | carbonyl compound; pyrimidotriazine | antibacterial agent; antineoplastic agent; apoptosis inducer; bacterial metabolite; toxin; virulence factor; Wnt signalling inhibitor |
| di-n-desethylamiodarone | di-N-desethylamiodarone: amiodarone metabolite in dogs; structure given in first source | ||
| deferasirox | deferasirox : A member of the class of triazoles, deferasirox is 1,2,4-triazole substituted by a 4-carboxyphenyl group at position 1 and by 2-hydroxyphenyl groups at positions 3 and 5. An orally active iron chelator, it is used to manage chronic iron overload in patients receiving long-term blood transfusions. Deferasirox: A triazole and benzoate derivative that acts as a selective iron chelator. It is used in the management of chronic IRON OVERLOAD due to blood transfusion or non-transfusion dependent THALASSEMIA. | benzoic acids; monocarboxylic acid; phenols; triazoles | iron chelator |
| d-2-hydroxyglutarate | (R)-2-hydroxyglutaric acid : The (R)-enantiomer of 2-hydroxyglutaric acid. | 2-hydroxyglutaric acid | algal metabolite |
| alpha-hydroxyglutarate, (l)-isomer | 2-hydroxyglutaric acid | ||
| 5-carboxy-8-hydroxyquinoline | 5-carboxy-8-hydroxyquinoline: a JmjC histone demethylase inhibitor; structure in first source | quinolines | |
| oxalylglycine | N-oxalylglycine : An amino dicarboxylic acid that is iminodiacetic acid with an oxo substituent. It is used as an inhibitor of alpha-ketoglutarate dependent (EC 1.14.11.*) enzymes. oxalylglycine: structure given in first source | amino dicarboxylic acid; N-acylglycine | EC 1.14.11.* (oxidoreductase acting on paired donors, 2-oxoglutarate as one donor, incorporating 1 atom each of oxygen into both donors) inhibitor |
| 3-[[2-(2-pyridinyl)-6-(1,2,4,5-tetrahydro-3-benzazepin-3-yl)-4-pyrimidinyl]amino]propanoic acid | organonitrogen heterocyclic compound |