Target type: molecularfunction
Catalysis of the reaction: (L-lysyl-[histone] + lactoyl-CoA = CoA + H+ + N(6)-lactoyl-L-lysyl-[histone]. [GOC:sp, PMID:31645732]
Histone lactyltransferase activity refers to the enzymatic ability to transfer a lactyl group (CH3CHOHCO-) from a donor molecule, typically lactate, to a specific lysine residue within a histone protein. This modification is crucial for regulating chromatin structure and gene expression. Histone lactylation, similar to other histone modifications like acetylation and methylation, is a dynamic process influenced by cellular metabolic status.
Specifically, histone lactylation plays a role in:
* **Chromatin Remodeling:** The addition of a lactyl group to histones can alter the charge distribution and interaction of histones with DNA, influencing the accessibility of genes to transcription factors. Lactation can promote a more open chromatin structure, facilitating gene expression.
* **Gene Regulation:** Lactation of histone lysine residues has been shown to correlate with transcriptional activation. It can directly impact the recruitment of specific transcription factors and co-factors, ultimately influencing gene expression profiles.
* **Metabolic Regulation:** Histone lactylation is sensitive to changes in cellular metabolism, particularly lactate levels. During periods of high metabolic demand or cellular stress, lactate production increases, leading to elevated histone lactylation and associated changes in gene expression patterns.
* **Cellular Processes:** Studies suggest that histone lactylation plays a role in various cellular processes, including cell cycle control, immune response, and development. Its involvement in these processes is still under investigation, but emerging evidence highlights its significance in cellular regulation.
In summary, histone lactyltransferase activity is essential for modifying chromatin structure and regulating gene expression. This dynamic process, influenced by cellular metabolism, plays a crucial role in cellular processes and likely has broader implications for human health and disease.'
"
| Protein | Definition | Taxonomy |
|---|---|---|
| Histone acetyltransferase p300 | A histone acetyltransferase p300 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q09472] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| 4-aminophenol | 4-aminophenol : An amino phenol (one of the three possible isomers) which has the single amino substituent located para to the phenolic -OH group. 4-aminophenol: RN given refers to parent cpd | aminophenol | allergen; metabolite |
| 3-(5'-hydroxymethyl-2'-furyl)-1-benzylindazole | 3-(5'-hydroxymethyl-2'-furyl)-1-benzylindazole: antineoplastic; activates platelet guanylate cyclase; a radiosensitizing agent and guanylate cyclase activator; structure in first source lificiguat : A member of the class of indazoles that is 1H-indazole which is substituted by a benzyl group at position 1 and a 5-(hydroxymethyl)-2-furyl group at position 3. It is an activator of soluble guanylate cyclase and inhibits platelet aggregation. | aromatic primary alcohol; furans; indazoles | antineoplastic agent; apoptosis inducer; platelet aggregation inhibitor; soluble guanylate cyclase activator; vasodilator agent |
| plumbagin | plumbagin : A hydroxy-1,4-naphthoquinone that is 1,4-naphthoquinone in which the hydrogens at positions 2 and 5 are substituted by methyl and hydroxy groups, respectively. plumbagin: a superoxide anion generator | hydroxy-1,4-naphthoquinone; phenols | anticoagulant; antineoplastic agent; immunological adjuvant; metabolite |
| palmatine | burasaine: structure in first source | berberine alkaloid; organic heterotetracyclic compound | plant metabolite |
| epigallocatechin gallate | (-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis) | flavans; gallate ester; polyphenol | antineoplastic agent; antioxidant; apoptosis inducer; geroprotector; Hsp90 inhibitor; neuroprotective agent; plant metabolite |
| delphinidin | delphinidin chloride : An anthocyanidin chloride that has delphinidin as the cationic counterpart. Paraffin: A mixture of solid hydrocarbons obtained from petroleum. It has a wide range of uses including as a stiffening agent in ointments, as a lubricant, and as a topical anti-inflammatory. It is also commonly used as an embedding material in histology. | anthocyanidin chloride | |
| haloprogin | venenatine: RN given for (3beta,16beta,17beta,20alpha)-isomer; structure in first source | ||
| taxodione | taxodione: structure | diterpenoid | |
| coenzyme a | adenosine 3',5'-bisphosphate | coenzyme; Escherichia coli metabolite; mouse metabolite | |
| c.i. direct red 23 | C.I. Direct Red 23: azo dye; structure in first source | ||
| n-(4-(7-diethylamino-4-methylcoumarin-3-yl)phenyl)maleimide | 7-diethylamino-3-(4-maleimidophenyl)-4-methylcoumarin : A member of the class of coumarins that is 2H-chromen-2-one substituted by 4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)phenyl, methyl, and diethylamino groups at positions 3, 4 and 7, respectively. It is a thiol-reactive fluorescent dye. N-(4-(7-diethylamino-4-methylcoumarin-3-yl)phenyl)maleimide: structure given in first source | benzenes; coumarins; maleimides; tertiary amino compound | fluorescent dye |
| anacardic acid | anacardic acid : A hydroxybenzoic acid that is salicylic acid substituted by a pentadecyl group at position 6. It is a major component of cashew nut shell liquid and exhibits an extensive range of bioactivities. anacardic acid: isolated from Anacardium occidentale; monophenol monooxygenase inhibitor | hydroxy monocarboxylic acid; hydroxybenzoic acid | anti-inflammatory agent; antibacterial agent; anticoronaviral agent; apoptosis inducer; EC 2.3.1.48 (histone acetyltransferase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; neuroprotective agent; plant metabolite |
| curcumin | curcumin : A beta-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of Curcuma longa. Curcumin: A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes. | aromatic ether; beta-diketone; diarylheptanoid; enone; polyphenol | anti-inflammatory agent; antifungal agent; antineoplastic agent; biological pigment; contraceptive drug; dye; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; EC 1.1.1.21 (aldehyde reductase) inhibitor; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor; EC 1.8.1.9 (thioredoxin reductase) inhibitor; EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; flavouring agent; food colouring; geroprotector; hepatoprotective agent; immunomodulator; iron chelator; ligand; lipoxygenase inhibitor; metabolite; neuroprotective agent; nutraceutical; radical scavenger |
| umi-77 | UMI-77: an Mcl-1 inhibitor; structure in first source | ||
| cyqualon | cyclovalone: is a synthetic curcumin derivative; structure in first source | ||
| guttiferone e | guttiferone E: isolated from the fruits of Garcinia pyrifera collected in Malaysia; structure in first source | ||
| 2-hydroxy-6-[(8Z,11Z)-pentadeca-8,11,14-trien-1-yl]benzoic acid | hydroxybenzoic acid | ||
| 6h-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-6-acetamide, 4-(4-chlorophenyl)-n-(4-hydroxyphenyl)-2,3,9-trimethyl-, (6s)- | organonitrogen heterocyclic compound; organosulfur heterocyclic compound | ||
| chetomin | |||
| cambogin | isogarcinol: has immunosuppresant activity; isolated from Garcinia mangostana; structure in first source | ||
| 3,4-dimethoxy-n-((2,2-dimethyl-2h-chromen-6-yl)methyl)-n-phenylbenzenesulfonamide | 3,4-dimethoxy-N-((2,2-dimethyl-2H-chromen-6-yl)methyl)-N-phenylbenzenesulfonamide: has antineoplastic activity; structure in first source | ||
| jq1 compound | carboxylic ester; organochlorine compound; tert-butyl ester; thienotriazolodiazepine | angiogenesis inhibitor; anti-inflammatory agent; antineoplastic agent; apoptosis inducer; bromodomain-containing protein 4 inhibitor; cardioprotective agent; ferroptosis inducer | |
| gsk525762a | molibresib: mimicks acetylated histones; structure in first source | benzodiazepine | |
| i-bet726 | |||
| 1,2-bis(isothiazol-5-yl)disulfane | 1,2-bis(isothiazol-5-yl)disulfane: structure in first source |