Gene Association: TAF1

UniProt Search: TAF1 (PROTEIN_CODING)
Function Description: TATA-box binding protein associated factor 1

found 18 associated metabolites with current gene based on the text mining result from the pubmed database.

Se-Methylselenocysteine

selenomethylselenocysteine, (L)-isomer, 75Se-labeled

C4H9NO2Se (182.9798)


Se-Methylselenocysteine (SeMSC) is a naturally occurring seleno-amino acid that is synthesized by plants such as garlic, astragalus, onions, and broccoli. It cannot be synthesized by higher animals. Unlike selenomethionine, which is incorporated into proteins in place of methionine, SeMSC is not incorporated into any proteins, thereby being fully available for the synthesis of selenium-containing enzymes such as glutathione peroxidase. Selenomethionine is the major seleno-compound in cereal grains (wheat grain, maize, and rice), soybeans, and enriched yeast. Seleno-compounds present in plants may have a profound effect upon the health of animals and human subjects. It is now known that the total Se content cannot be used as an indication of its efficacy, but knowledge of individual selenocompounds is necessary to fully assess the significance. Thus, speciation of the seleno-compounds has moved to the forefront. Since animals and man are dependent upon plants for their nutritional requirements, this makes the types of seleno-compounds in plants even more critical. Se enters the food chain through incorporation into plant proteins, mostly as selenocysteine and selenomethionine at normal Se levels. There are two possible pathways for the catabolism of selenomethionine: (1) a transsulfuration pathway via selenocystathionine to produce selenocysteine, which in turn is degraded to H2Se by the enzyme beta-lyase and (2) a transamination-decarboxylation pathway. It was estimated that 90\\\\% of methionine is metabolized through this pathway and thus could be also the major route for selenomethionine catabolism (PMID: 14748935 , Br J Nutr. 2004 Jan;91(1):11-28.). Selenomethionine is an amino acid containing selenium. The L-isomer of selenomethionine, known as Se-met and Sem, is a common natural food source of selenium. In vivo, selenomethionine is randomly incorporated instead of methionine and is readily oxidized. Its antioxidant activity arises from its ability to deplete reactive species. Selenium and sulfur are chalcogen elements that share many chemical properties and the substitution of methionine to selenomethionine may have no effect on protein structure and function. However, the incorporation of selenomethionine into tissue proteins and keratin in horses causes alkali disease. Alkali disease is characterized by emaciation, loss of hair, deformation and shedding of hooves, loss of vitality, and erosion of the joints of long bones. Se-methyl-L-selenocysteine is an L-alpha-amino acid compound having methylselanylmethyl as the side-chain. It has a role as an antineoplastic agent. It is a Se-methylselenocysteine, a non-proteinogenic L-alpha-amino acid and a L-selenocysteine derivative. It is a conjugate base of a Se-methyl-L-selenocysteinium. It is a conjugate acid of a Se-methyl-L-selenocysteinate. It is an enantiomer of a Se-methyl-D-selenocysteine. It is a tautomer of a Se-methyl-L-selenocysteine zwitterion. Methylselenocysteine has been used in trials studying the prevention of Prostate Carcinoma and No Evidence of Disease. Se-Methylselenocysteine is a metabolite found in or produced by Escherichia coli (strain K12, MG1655). Methylselenocysteine is a naturally occurring organoselenium compound found in many plants, including garlic, onions, and broccoli, with potential antioxidant and chemopreventive activities. Se-Methyl-seleno-L-cysteine (MSC) is an amino acid analogue of cysteine in which a methylselenium moiety replaces the sulphur atom of cysteine. This agent acts as an antioxidant when incorporated into glutathione peroxidase and has been shown to exhibit potent chemopreventive activity in animal models. Se-Methylselenocysteine (SeMSC) is a naturally occurring seleno-amino acid that is synthesized by plants such as garlic, astragalus, onions and broccoli. Unlike selenomethionine, which is incorporated into proteins in place of methionine, SeMSC is not incorporated into any proteins, thereby being fully available for the synthesis of selenium-containing enzymes such as glutathione peroxidase. 3-(Methylseleno)alanine is found in many foods, some of which are common cabbage, white cabbage, lima bean, and cauliflower. D020011 - Protective Agents > D016588 - Anticarcinogenic Agents C26170 - Protective Agent > C275 - Antioxidant D000970 - Antineoplastic Agents Se-Methylselenocysteine, a precursor of Methylselenol, has potent cancer chemopreventive activity and anti-oxidant activity. Se-Methylselenocysteine is orally bioavailable, and induces apoptosis[1][2]. Se-Methylselenocysteine, a precursor of Methylselenol, has potent cancer chemopreventive activity and anti-oxidant activity. Se-Methylselenocysteine is orally bioavailable, and induces apoptosis[1][2].

   

Quisqualic_acid

2-Amino-3-(3,5-dioxo-[1,2,4]oxadiazolidin-2-yl)-propionic acid(Quisqualic acid)

C5H7N3O5 (189.0386)


Quisqualic acid is a non-proteinogenic alpha-amino acid. Quisqualic acid is an agonist at two subsets of excitatory amino acid receptors, ionotropic receptors that directly control membrane channels and metabotropic receptors that indirectly mediate calcium mobilization from intracellular stores. The compound is obtained from the seeds and fruit of Quisqualis chinensis. An agonist at two subsets of excitatory amino acid receptors, ionotropic receptors that directly control membrane channels and metabotropic receptors that indirectly mediate calcium mobilization from intracellular stores. The compound is obtained from the seeds and fruit of Quisqualis chinensis. D018377 - Neurotransmitter Agents > D018683 - Excitatory Amino Acid Agents > D018690 - Excitatory Amino Acid Agonists Acquisition and generation of the data is financially supported in part by CREST/JST. KEIO_ID Q003 Quisqualic acid (L-Quisqualic acid), a natural analog of glutamate, is a potent and pan two subsets (iGluR and mGluR) of excitatory amino acid (EAA) agonist with an EC50 of 45 nM and a Ki of 10 nM for mGluR1R. Quisqualic acid is isolated from the fruits of Quisqualis indica[1][2]. Quisqualic acid (L-Quisqualic acid), a natural analog of glutamate, is a potent and pan two subsets (iGluR and mGluR) of excitatory amino acid (EAA) agonist with an EC50 of 45 nM and a Ki of 10 nM for mGluR1R. Quisqualic acid is isolated from the fruits of Quisqualis indica[1][2]. Quisqualic acid (L-Quisqualic acid), a natural analog of glutamate, is a potent and pan two subsets (iGluR and mGluR) of excitatory amino acid (EAA) agonist with an EC50 of 45 nM and a Ki of 10 nM for mGluR1R. Quisqualic acid is isolated from the fruits of Quisqualis indica[1][2].

   

2',4',6'-Trihydroxyacetophenone

2 inverted exclamation mark ,4 inverted exclamation mark ,6 inverted exclamation mark -Trihydroxyacetophenone

C8H8O4 (168.0423)


2,4,6-trihydroxyacetophenone is a benzenetriol that is acetophenone in which the hydrogens at positions 2, 4, and 6 on the phenyl group are replaced by hydroxy groups. It is used as a matrix in matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of acidic glycans and glycopeptides. It has a role as a MALDI matrix material and a plant metabolite. It is a methyl ketone, a benzenetriol and an aromatic ketone. 2,4,6-Trihydroxyacetophenone is a natural product found in Artemisia gypsacea, Daldinia eschscholtzii, and other organisms with data available. A benzenetriol that is acetophenone in which the hydrogens at positions 2, 4, and 6 on the phenyl group are replaced by hydroxy groups. It is used as a matrix in matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of acidic glycans and glycopeptides. 2,4,6-Trihydroxyacetophenone is found in fruits. 2,4,6-Trihydroxyacetophenone is isolated from bark of Prunus domestica (plum Phloracetophenone (2,4,6-trihydroxyacetophenone) is the aglycone part of acetophenone glycoside obtained from Curcuma comosa Roxb, with cholesterol-lowering activity. Phloracetophenone enhances cholesterol 7α-hydroxylase (CYP7A1) activity[1]. Phloracetophenone stimulats bile secretion mediated through Mrp2[2]. Phloracetophenone (2,4,6-trihydroxyacetophenone) is the aglycone part of acetophenone glycoside obtained from Curcuma comosa Roxb, with cholesterol-lowering activity. Phloracetophenone enhances cholesterol 7α-hydroxylase (CYP7A1) activity[1]. Phloracetophenone stimulats bile secretion mediated through Mrp2[2].

   

(RS)-3,5-DHPG

(S)-3,5-Dihydroxyphenylglycine

C8H9NO4 (183.0532)


D018377 - Neurotransmitter Agents > D018683 - Excitatory Amino Acid Agents > D018691 - Excitatory Amino Acid Antagonists D018377 - Neurotransmitter Agents > D018683 - Excitatory Amino Acid Agents > D018690 - Excitatory Amino Acid Agonists DHPG ((RS)-3,5-DHPG) is an amino acid, which acts as a selective and potent agonist of group I mGluR (mGluR 1 and mGluR 5), shows no effect on Group II or Group III mGluRs[1]. DHPG ((RS)-3,5-DHPG) is also an effective antagonist of mGluRs linked to phospholipase D[2].

   

Nα-Acetyl-L-lysine

(2S)-6-(Acetylamino)-2-aminohexanoic acid

C8H16N2O3 (188.1161)


N-epsilon-Acetyl-L-lysine also known as Nepsilon-Acetyllysine or N6-Acetyllysine, belongs to the class of organic compounds known as N-acyl-alpha amino acids. N-acyl-alpha amino acids are compounds containing an alpha amino acid which bears an acyl group at one of its nitrogen atoms. N-epsilon-Acetyl-L-lysine can also be classified as an alpha amino acid or a derivatized alpha amino acid. Technically, N-epsilon-Acetyl-L-lysine is a biologically available sidechain, N-capped form of the proteinogenic alpha amino acid L-lysine. Unlike L-lysine, acetylated lysine derivatives such as N-epsilon-Acetyl-L-lysine are zwitterionic compounds. These are molecules that contains an equal number of positively- and negatively-charged functional groups. N-epsilon-Acetyl-L-lysine is found naturally in eukaryotes ranging from yeast to plants to humans. N-acetyl amino acids can be produced either via direct synthesis of specific N-acetyltransferases or via the proteolytic degradation of N-acetylated proteins (often histones) by specific hydrolases. N-epsilon-Acetyl-L-lysine can be biosynthesized from L-lysine and acetyl-CoA via the enzyme known as Lysine N-acetyltransferase. Post-translational lysine-acetylation is one of two major modifications of lysine residues in various proteins – either N-terminal or N-alpha acetylation or N6 (sidechain) acetylation. Side-chain acetylation of specific lysine residues in the N-terminal domains of core histones is a biochemical marker of active genes. Acetylation is now known to play a major role in eukaryotic transcription. Specifically, acetyltransferase enzymes that act on particular lysine side chains of histones and other proteins are intimately involved in transcriptional activation. By modifying chromatin proteins and transcription-related factors, these acetylases are believed to regulate the transcription of many genes. The best-characterized mechanism is acetylation, catalyzed by histone acetyltransferase (HAT) enzymes. HATs function enzymatically by transferring an acetyl group from acetyl-coenzyme A (acetyl-CoA) to the amino group of certain lysine side chains within a histones basic N-terminal tail region. Within a histone octamer, these regions extend out from the associated globular domains, and in the context of a nucleosome, they are believed to bind the DNA through charge interactions (positively charged histone tails associated with negatively charged DNA) or mediate interactions between nucleosomes. Lysine acetylation, which neutralizes part of a tail regions positive charge, is postulated to weaken histone-DNA or nucleosome-nucleosome interactions and/or signal a conformational change, thereby destabilizing nucleosome structure or arrangement and giving other nuclear factors, such as the transcription complex, more access to a genetic locus. In agreement with this is the fact that acetylated chromatin has long been associated with states of transcriptional activation. Specific recognition of N6-acetyl-L-lysine is a conserved function of all bromodomains found in different proteins, recognized as an emerging intracellular signalling mechanism that plays critical roles in regulating gene transcription, cell-cycle progression, apoptosis, DNA repair, and cytoskeletal organization (PMID: 9169194 , 10827952 , 17340003 , 16247734 , 9478947 , 10839822 ). N-acetylated amino acids, such as N-epsilon-Acetyl-L-lysine can be released by an N-acylpeptide hydrolase from histones going through proteolytic degradation (PMID: 16465618). Many N-acetylamino acids are classified as uremic toxins if present in high abundance in the serum or plasma (PMID: 26317986; PMID: 20613759). Uremic toxins are a diverse group of endogenously produced molecules that, if not properly cleared or eliminated by the kidneys, can cause kidney damage, cardiovascular disease and neurological deficits (PMID: 18287557). Isolated from sugarbeet (Beta vulgaris) KEIO_ID A174 Nepsilon-Acetyl-L-lysine is a derivative of the amino acid lysine.

   

Cyclosporine

Cyclosporine (Neoral)

C62H111N11O12 (1201.8413)


D007155 - Immunologic Factors > D007166 - Immunosuppressive Agents > D003524 - Cyclosporins D004791 - Enzyme Inhibitors > D065095 - Calcineurin Inhibitors D000890 - Anti-Infective Agents > D000935 - Antifungal Agents D018501 - Antirheumatic Agents D003879 - Dermatologic Agents Cyclosporin A (Cyclosporine A) is an immunosuppressant which binds to the cyclophilin and inhibits phosphatase activity of protein phosphatase 2B (PP2B/calcineurin) with an IC50 of 5 nM[3]. Cyclosporin A also inhibits CD11a/CD18 adhesion[8].

   

N2-acetyllysine

6-Amino-2-[(1-hydroxyethylidene)amino]hexanoate

C8H16N2O3 (188.1161)


N-alpha-Acetyl-L-lysine also known as Nalpha-Acetyllysine, belongs to the class of organic compounds known as N-acyl-alpha amino acids. N-acyl-alpha amino acids are compounds containing an alpha amino acid which bears an acyl group at its terminal nitrogen atom. N-alpha-Acetyl-L-lysine can also be classified as an alpha amino acid or a derivatized alpha amino acid. Technically, N-alpha-Acetyl-L-lysine is a biologically available N-terminal capped form of the proteinogenic alpha amino acid L-lysine. Unlike L-lysine, acetylated lysine derivatives such as N-alpha-Acetyl-L-lysine are zwitterionic compounds. These are molecules that contains an equal number of positively- and negatively-charged functional groups. N-alpha-Acetyl-L-lysine is found naturally in eukaryotes ranging from yeast to plants to humans. N-acetyl amino acids can be produced either via direct synthesis of specific N-acetyltransferases or via the proteolytic degradation of N-acetylated proteins by specific hydrolases. N-terminal acetylation of proteins is a widespread and highly conserved process in eukaryotes that is involved in protection and stability of proteins (PMID: 16465618). About 85\\\% of all human proteins and 68\\\% of all yeast proteins are acetylated at their N-terminus (PMID: 21750686). Several proteins from prokaryotes and archaea are also modified by N-terminal acetylation. The majority of eukaryotic N-terminal-acetylation reactions occur through N-acetyltransferase enzymes or NAT’s (PMID: 30054468). These enzymes consist of three main oligomeric complexes NatA, NatB, and NatC, which are composed of at least a unique catalytic subunit and one unique ribosomal anchor. The substrate specificities of different NAT enzymes are mainly determined by the identities of the first two N-terminal residues of the target protein. The human NatA complex co-translationally acetylates N-termini that bear a small amino acid (A, S, T, C, and occasionally V and G) (PMID: 30054468). NatA also exists in a monomeric state and can post-translationally acetylate acidic N-termini residues (D-, E-). NatB and NatC acetylate N-terminal methionine with further specificity determined by the identity of the second amino acid. N-acetylated amino acids, such as N-alpha-Acetyl-L-lysine can be released by an N-acylpeptide hydrolase from peptides generated by proteolytic degradation (PMID: 16465618). In addition to the NAT enzymes and protein-based acetylation, N-acetylation of free lysine can also occur. In particular, N-alpha-Acetyl-L-lysine can be biosynthesized from L-lysine and acetyl-CoA via the enzyme known as Lysine N-acetyltransferase. Individuals with hyperlysinaemia due to L-lysine alpha-ketoglutarate reductase deficiency will excrete high levels of N-alpha-Acetyl-L-lysine in their urine (PMID: 116084). L-lysine alpha-ketoglutarate reductase deficiency, if untreated, can lead to neurological and behavioral deficits (PMID: 116084). Many N-acetylamino acids are classified as uremic toxins if present in high abundance in the serum or plasma (PMID: 26317986; PMID: 20613759). Uremic toxins are a diverse group of endogenously produced molecules that, if not properly cleared or eliminated by the kidneys, can cause kidney damage, cardiovascular disease and neurological deficits (PMID: 18287557). Acetyl-L-lysine is an endogenous metabolite.

   

(1,2-diphenylethenyl)benzene

(1,2-diphenylethenyl)benzene

C20H16 (256.1252)


D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006727 - Hormone Antagonists > D004965 - Estrogen Antagonists

   

Nafoxidine

1-{2-[4-(6-methoxy-2-phenyl-3,4-dihydronaphthalen-1-yl)phenoxy]ethyl}pyrrolidine

C29H31NO2 (425.2355)


D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006727 - Hormone Antagonists > D004965 - Estrogen Antagonists C274 - Antineoplastic Agent > C163758 - Targeted Therapy Agent > C1821 - Selective Estrogen Receptor Modulator C274 - Antineoplastic Agent > C1742 - Angiogenesis Inhibitor > C1971 - Angiogenesis Activator Inhibitor C274 - Antineoplastic Agent > C129818 - Antineoplastic Hormonal/Endocrine Agent > C481 - Antiestrogen C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C483 - Therapeutic Estrogen C147908 - Hormone Therapy Agent > C547 - Hormone Antagonist D000970 - Antineoplastic Agents C1892 - Chemopreventive Agent

   

ICI 164384

ICI 164384; N-n-Butyl-N-methyl-11-[3,17beta-dihydroxyestra-1,3,5(10)-trien-7alpha-yl]undecanamide

C34H55NO3 (525.4182)


D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006727 - Hormone Antagonists > D004965 - Estrogen Antagonists D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones

   

3,5-Dihydroxyphenylglycine

2-amino-2-(3,5-dihydroxyphenyl)acetic acid

C8H9NO4 (183.0532)


D018377 - Neurotransmitter Agents > D018683 - Excitatory Amino Acid Agents > D018691 - Excitatory Amino Acid Antagonists D018377 - Neurotransmitter Agents > D018683 - Excitatory Amino Acid Agents > D018690 - Excitatory Amino Acid Agonists DHPG ((RS)-3,5-DHPG) is an amino acid, which acts as a selective and potent agonist of group I mGluR (mGluR 1 and mGluR 5), shows no effect on Group II or Group III mGluRs[1]. DHPG ((RS)-3,5-DHPG) is also an effective antagonist of mGluRs linked to phospholipase D[2].

   

Cyclosporin A

30-ethyl-33-(1-hydroxy-2-methylhex-4-en-1-yl)-1,4,7,10,12,15,19,25,28-nonamethyl-6,9,18,24-tetrakis(2-methylpropyl)-3,21-bis(propan-2-yl)-1,4,7,10,13,16,19,22,25,28,31-undecaazacyclotritriacontan-2,5,8,11,14,17,20,23,26,29,32-undecone

C62H111N11O12 (1201.8413)


   

methylselenocysteine

3-(Methylseleno)alanine

C4H9NO2Se (182.9798)


D020011 - Protective Agents > D016588 - Anticarcinogenic Agents D000970 - Antineoplastic Agents Se-Methylselenocysteine, a precursor of Methylselenol, has potent cancer chemopreventive activity and anti-oxidant activity. Se-Methylselenocysteine is orally bioavailable, and induces apoptosis[1][2]. Se-Methylselenocysteine, a precursor of Methylselenol, has potent cancer chemopreventive activity and anti-oxidant activity. Se-Methylselenocysteine is orally bioavailable, and induces apoptosis[1][2].

   

N6-acetyl-L-lysine

N(6)-acetyl-L-lysine

C8H16N2O3 (188.1161)


An N(6)-acyl-L-lysine where the N(6)-acyl group is specified as acetyl. MS2 deconvoluted using MS2Dec from all ion fragmentation data, MetaboLights identifier MTBLS1040; DTERQYGMUDWYAZ-ZETCQYMHSA-N_STSL_0232_N-epsilon-Acetyl-L-lysine (N6)_8000fmol_190114_S2_LC02MS02_018; Spectrum acquired as described in Naz et al 2017 PMID 28641411. Preparation and submission to MassBank of North America by Chaleckis R. and Tada I. MS2 deconvoluted using CorrDec from all ion fragmentation data, MetaboLights identifier MTBLS1040; Spectrum acquired as described in Naz et al 2017 PMID 28641411. Preparation and submission to MassBank of North America by Chaleckis R. and Tada I. Nepsilon-Acetyl-L-lysine is a derivative of the amino acid lysine.

   

N-n-Butyl-N-methyl-11-(3,17beta-dihydroxyestra-1,3,5(10)-trien-7alpha-yl)undecanamide

N-n-Butyl-N-methyl-11-(3,17beta-dihydroxyestra-1,3,5(10)-trien-7alpha-yl)undecanamide

C34H55NO3 (525.4182)


D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006727 - Hormone Antagonists > D004965 - Estrogen Antagonists D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones

   

480-66-0

InChI=1\C8H8O4\c1-4(9)8-6(11)2-5(10)3-7(8)12\h2-3,10-12H,1H

C8H8O4 (168.0423)


Phloracetophenone (2,4,6-trihydroxyacetophenone) is the aglycone part of acetophenone glycoside obtained from Curcuma comosa Roxb, with cholesterol-lowering activity. Phloracetophenone enhances cholesterol 7α-hydroxylase (CYP7A1) activity[1]. Phloracetophenone stimulats bile secretion mediated through Mrp2[2]. Phloracetophenone (2,4,6-trihydroxyacetophenone) is the aglycone part of acetophenone glycoside obtained from Curcuma comosa Roxb, with cholesterol-lowering activity. Phloracetophenone enhances cholesterol 7α-hydroxylase (CYP7A1) activity[1]. Phloracetophenone stimulats bile secretion mediated through Mrp2[2].

   

TRIPHENYLETHYLENE

TRIPHENYLETHYLENE

C20H16 (256.1252)


D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006727 - Hormone Antagonists > D004965 - Estrogen Antagonists

   

Nafoxidine

Nafoxidine

C29H31NO2 (425.2355)


D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006727 - Hormone Antagonists > D004965 - Estrogen Antagonists C274 - Antineoplastic Agent > C163758 - Targeted Therapy Agent > C1821 - Selective Estrogen Receptor Modulator C274 - Antineoplastic Agent > C1742 - Angiogenesis Inhibitor > C1971 - Angiogenesis Activator Inhibitor C274 - Antineoplastic Agent > C129818 - Antineoplastic Hormonal/Endocrine Agent > C481 - Antiestrogen C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C483 - Therapeutic Estrogen C147908 - Hormone Therapy Agent > C547 - Hormone Antagonist D000970 - Antineoplastic Agents C1892 - Chemopreventive Agent