Dibutyltin dichloride (T3D1242)
| Record Information | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Version | 2.0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Creation Date | 2009-06-19 21:58:30 UTC | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Update Date | 2014-12-24 20:23:28 UTC | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accession Number | T3D1242 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Identification | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Common Name | Dibutyltin dichloride | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class | Small Molecule | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Description | Dibutyltin dichloride is an organotin compound. Tin is a chemical element with the symbol Sn and atomic number 50. It is a natural component of the earth's crust and is obtained chiefly from the mineral cassiterite, where it occurs as tin dioxide. (5, 7) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Compound Type |
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| Chemical Structure |  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Synonyms |
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| Chemical Formula | C8H18Cl2Sn | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Molecular Mass | 303.840 g/mol | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Monoisotopic Mass | 303.981 g/mol | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| CAS Registry Number | 683-18-1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| IUPAC Name | dibutyldichlorostannane | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Traditional Name | dibutyl dichloro tin | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| SMILES | CCCC[Sn](Cl)(Cl)CCCC | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| InChI Identifier | InChI=1S/2C4H9.2ClH.Sn/c2*1-3-4-2;;;/h2*1,3-4H2,2H3;2*1H;/q;;;;+2/p-2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| InChI Key | InChIKey=RJGHQTVXGKYATR-UHFFFAOYSA-L | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Chemical Taxonomy | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Description | belongs to the class of organic compounds known as dialkyltin salts. These are salts of dialkyltin compounds. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Kingdom | Organic compounds | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Super Class | Organometallic compounds | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class | Organo-post-transition metal compounds | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sub Class | Organotin compounds | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Direct Parent | Dialkyltin salts | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Alternative Parents | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Substituents |
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| Molecular Framework | Aliphatic acyclic compounds | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| External Descriptors | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Biological Properties | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Status | Detected and Not Quantified | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Origin | Exogenous | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cellular Locations |
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| Biofluid Locations | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Tissue Locations | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pathways | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Applications | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Biological Roles | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Chemical Roles | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Physical Properties | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| State | Solid | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Appearance | White powder. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Experimental Properties |
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| Predicted Properties |
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| Spectra | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Spectra |
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| Toxicity Profile | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Route of Exposure | Oral (6) ; inhalation (6) ; dermal (6) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mechanism of Toxicity | Organotin compounds produce neurotoxic and immunotoxic effects. Organotins may directly activate glial cells contributing to neuronal cell degeneration by local release of pro-inflammatory cytokines, tumor necrosis factor-_, and/or interleukins. They may also induce apoptosis by direct action on neuronal cells. Organotin compounds stimulate the neuronal release of and/or decrease of neuronal cell uptake of neurotransmitters in brain tissue, including aspartate, GABA, glutamate, norepinephrine, and serotonin. This may be either a contributing factor to or result of the neuronal cell loss. The immunotoxic effects of organotins are characterized by thymic atrophy caused by the suppression of proliferation of immature thymocytes and apoptosis of mature thymocytes. Organotin compounds are believed to exert these effects by suppressing DNA and protein synthesis, inducing the expression of genes involved in apoptosis (such as nur77), and disrupting the regulation of intracellular calcium levels, giving rise to the uncontrolled production of reactive oxygen species, release of cytochrome c to the cytosol, and the proteolytic and nucleolytic cascade of apoptosis. The suppression of proliferation of immature thymocytes further results in the suppression of T-cell-mediated immune responses. Organotins are also endocrine disruptors and are believed to contribute to obesity by inappropriate receptor activation, leading to adipocyte differentiation. Inorganic tin triggers eryptosis, contributing to tin-induced anemia. (6, 1, 2) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Metabolism | Though tin metal is very poorly absorbed, tin compounds may be absorbed via oral, inhalation, or dermal routes, with organotin compounds being much more readily absorbed than inorganic tin compounds. Tin may enter the bloodstream and bind to hemoglobin, where it is distributed and accumulates mainly in the kidney, liver, lung, and bone. Organotin compounds may undergo dealkylation, hydroxylation, dearylation, and oxidation catalyzed by cytochrome P-450 enzymes in the liver. The alkyl products of dealkylation are conjugated with glutathione and further metabolized to mercapturic acid derivatives. Tin and its metabolites are excreted mainly in the urine and feces. (6) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Toxicity Values | LD50: 70 mg/kg (Oral, Mouse) (3) LD50: 180 mg/kg (Intravenous, Mouse) (3) LD50: 7.5 mg/kg (Intraperitoneal, Rat) (4) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Lethal Dose | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Carcinogenicity (IARC Classification) | No indication of carcinogenicity to humans (not listed by IARC). | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Uses/Sources | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Minimum Risk Level | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Health Effects | Breathing or swallowing, or skin contact with organotins, can interfere with the way the brain and nervous system work, causing death in severe cases. Organic tin compounds may also damage the immune and reproductive system. (5, 6) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Symptoms | Inorganic or organic tin compounds placed on the skin or in the eyes can produce skin and eye irritation. (6) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Treatment | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Normal Concentrations | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Not Available | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Abnormal Concentrations | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Not Available | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| External Links | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DrugBank ID | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| HMDB ID | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| PubChem Compound ID | 12688 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ChEMBL ID | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ChemSpider ID | 12167 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| KEGG ID | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| UniProt ID | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| OMIM ID | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ChEBI ID | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BioCyc ID | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| CTD ID | C020735 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Stitch ID | Dibutyltin dichloride | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| PDB ID | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ACToR ID | 3862 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia Link | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| References | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Synthesis Reference | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MSDS | T3D1242.pdf | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| General References |
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| Gene Regulation | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Up-Regulated Genes | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Down-Regulated Genes | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Targets
- General Function:
- Zinc ion binding
- Specific Function:
- Nuclear receptor that binds peroxisome proliferators such as hypolipidemic drugs and fatty acids. Once activated by a ligand, the nuclear receptor binds to DNA specific PPAR response elements (PPRE) and modulates the transcription of its target genes, such as acyl-CoA oxidase. It therefore controls the peroxisomal beta-oxidation pathway of fatty acids. Key regulator of adipocyte differentiation and glucose homeostasis. ARF6 acts as a key regulator of the tissue-specific adipocyte P2 (aP2) enhancer. Acts as a critical regulator of gut homeostasis by suppressing NF-kappa-B-mediated proinflammatory responses. Plays a role in the regulation of cardiovascular circadian rhythms by regulating the transcription of ARNTL/BMAL1 in the blood vessels (By similarity).
- Gene Name:
- PPARG
- Uniprot ID:
- P37231
- Molecular Weight:
- 57619.58 Da
Binding/Activity Constants
| Type | Value | Assay Type | Assay Source |
|---|---|---|---|
| AC50 | 0.03 uM | Tox21_PPARg_BLA_Agonist_ratio | Tox21/NCGC |
References
- Grun F, Blumberg B: Environmental obesogens: organotins and endocrine disruption via nuclear receptor signaling. Endocrinology. 2006 Jun;147(6 Suppl):S50-5. Epub 2006 May 11. [16690801 ]
- Sipes NS, Martin MT, Kothiya P, Reif DM, Judson RS, Richard AM, Houck KA, Dix DJ, Kavlock RJ, Knudsen TB: Profiling 976 ToxCast chemicals across 331 enzymatic and receptor signaling assays. Chem Res Toxicol. 2013 Jun 17;26(6):878-95. doi: 10.1021/tx400021f. Epub 2013 May 16. [23611293 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Not Available
- Gene Name:
- ADH1A
- Uniprot ID:
- P07327
- Molecular Weight:
- 39858.37 Da
References
- Bychkov PV, Shekhovtsova TN, Milaeva ER: Inhibition of horse liver alcohol dehydrogenase by methyltin compounds. Bioinorg Chem Appl. 2005:191-9. doi: 10.1155/BCA.2005.191. [18365099 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Not Available
- Gene Name:
- ADH1B
- Uniprot ID:
- P00325
- Molecular Weight:
- 39854.21 Da
References
- Bychkov PV, Shekhovtsova TN, Milaeva ER: Inhibition of horse liver alcohol dehydrogenase by methyltin compounds. Bioinorg Chem Appl. 2005:191-9. doi: 10.1155/BCA.2005.191. [18365099 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Not Available
- Gene Name:
- ADH1C
- Uniprot ID:
- P00326
- Molecular Weight:
- 39867.27 Da
References
- Bychkov PV, Shekhovtsova TN, Milaeva ER: Inhibition of horse liver alcohol dehydrogenase by methyltin compounds. Bioinorg Chem Appl. 2005:191-9. doi: 10.1155/BCA.2005.191. [18365099 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Not Available
- Gene Name:
- ADH4
- Uniprot ID:
- P08319
- Molecular Weight:
- 40221.335 Da
References
- Bychkov PV, Shekhovtsova TN, Milaeva ER: Inhibition of horse liver alcohol dehydrogenase by methyltin compounds. Bioinorg Chem Appl. 2005:191-9. doi: 10.1155/BCA.2005.191. [18365099 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Not Available
- Gene Name:
- ADH6
- Uniprot ID:
- P28332
- Molecular Weight:
- 39088.335 Da
References
- Bychkov PV, Shekhovtsova TN, Milaeva ER: Inhibition of horse liver alcohol dehydrogenase by methyltin compounds. Bioinorg Chem Appl. 2005:191-9. doi: 10.1155/BCA.2005.191. [18365099 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Could function in retinol oxidation for the synthesis of retinoic acid, a hormone important for cellular differentiation. Medium-chain (octanol) and aromatic (m-nitrobenzaldehyde) compounds are the best substrates. Ethanol is not a good substrate but at the high ethanol concentrations reached in the digestive tract, it plays a role in the ethanol oxidation and contributes to the first pass ethanol metabolism.
- Gene Name:
- ADH7
- Uniprot ID:
- P40394
- Molecular Weight:
- 41480.985 Da
References
- Bychkov PV, Shekhovtsova TN, Milaeva ER: Inhibition of horse liver alcohol dehydrogenase by methyltin compounds. Bioinorg Chem Appl. 2005:191-9. doi: 10.1155/BCA.2005.191. [18365099 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Class-III ADH is remarkably ineffective in oxidizing ethanol, but it readily catalyzes the oxidation of long-chain primary alcohols and the oxidation of S-(hydroxymethyl) glutathione.
- Gene Name:
- ADH5
- Uniprot ID:
- P11766
- Molecular Weight:
- 39723.945 Da
References
- Bychkov PV, Shekhovtsova TN, Milaeva ER: Inhibition of horse liver alcohol dehydrogenase by methyltin compounds. Bioinorg Chem Appl. 2005:191-9. doi: 10.1155/BCA.2005.191. [18365099 ]
- General Function:
- Threonine-type endopeptidase activity
- Specific Function:
- The proteasome is a multicatalytic proteinase complex which is characterized by its ability to cleave peptides with Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or slightly basic pH. The proteasome has an ATP-dependent proteolytic activity. This unit is responsible of the chymotrypsin-like activity of the proteasome and is one of the principal target of the proteasome inhibitor bortezomib. May catalyze basal processing of intracellular antigens. Plays a role in the protection against oxidative damage through the Nrf2-ARE pathway (By similarity).
- Gene Name:
- PSMB5
- Uniprot ID:
- P28074
- Molecular Weight:
- 28480.01 Da
References
- Shi G, Chen D, Zhai G, Chen MS, Cui QC, Zhou Q, He B, Dou QP, Jiang G: The proteasome is a molecular target of environmental toxic organotins. Environ Health Perspect. 2009 Mar;117(3):379-86. doi: 10.1289/ehp.11865. Epub 2008 Oct 23. [19337512 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Receptor for retinoic acid. Retinoic acid receptors bind as heterodimers to their target response elements in response to their ligands, all-trans or 9-cis retinoic acid, and regulate gene expression in various biological processes. The RXR/RAR heterodimers bind to the retinoic acid response elements (RARE) composed of tandem 5'-AGGTCA-3' sites known as DR1-DR5. In the absence of ligand, the RXR-RAR heterodimers associate with a multiprotein complex containing transcription corepressors that induce histone acetylation, chromatin condensation and transcriptional suppression. On ligand binding, the corepressors dissociate from the receptors and associate with the coactivators leading to transcriptional activation. RARA plays an essential role in the regulation of retinoic acid-induced germ cell development during spermatogenesis. Has a role in the survival of early spermatocytes at the beginning prophase of meiosis. In Sertoli cells, may promote the survival and development of early meiotic prophase spermatocytes. In concert with RARG, required for skeletal growth, matrix homeostasis and growth plate function (By similarity). Regulates expression of target genes in a ligand-dependent manner by recruiting chromatin complexes containing KMT2E/MLL5. Mediates retinoic acid-induced granulopoiesis.
- Gene Name:
- RARA
- Uniprot ID:
- P10276
- Molecular Weight:
- 50770.805 Da
References
- Grun F, Blumberg B: Environmental obesogens: organotins and endocrine disruption via nuclear receptor signaling. Endocrinology. 2006 Jun;147(6 Suppl):S50-5. Epub 2006 May 11. [16690801 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Receptor for retinoic acid. Retinoic acid receptors bind as heterodimers to their target response elements in response to their ligands, all-trans or 9-cis retinoic acid, and regulate gene expression in various biological processes. The RXR/RAR heterodimers bind to the retinoic acid response elements (RARE) composed of tandem 5'-AGGTCA-3' sites known as DR1-DR5. In the absence or presence of hormone ligand, acts mainly as an activator of gene expression due to weak binding to corepressors. In concert with RARG, required for skeletal growth, matrix homeostasis and growth plate function.
- Gene Name:
- RARB
- Uniprot ID:
- P10826
- Molecular Weight:
- 50488.63 Da
References
- Grun F, Blumberg B: Environmental obesogens: organotins and endocrine disruption via nuclear receptor signaling. Endocrinology. 2006 Jun;147(6 Suppl):S50-5. Epub 2006 May 11. [16690801 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Receptor for retinoic acid. Retinoic acid receptors bind as heterodimers to their target response elements in response to their ligands, all-trans or 9-cis retinoic acid, and regulate gene expression in various biological processes. The RAR/RXR heterodimers bind to the retinoic acid response elements (RARE) composed of tandem 5'-AGGTCA-3' sites known as DR1-DR5. In the absence of ligand, acts mainly as an activator of gene expression due to weak binding to corepressors. Required for limb bud development. In concert with RARA or RARB, required for skeletal growth, matrix homeostasis and growth plate function (By similarity).
- Gene Name:
- RARG
- Uniprot ID:
- P13631
- Molecular Weight:
- 50341.405 Da
References
- Grun F, Blumberg B: Environmental obesogens: organotins and endocrine disruption via nuclear receptor signaling. Endocrinology. 2006 Jun;147(6 Suppl):S50-5. Epub 2006 May 11. [16690801 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Ligand-activated transcription factor. Key regulator of lipid metabolism. Activated by the endogenous ligand 1-palmitoyl-2-oleoyl-sn-glycerol-3-phosphocholine (16:0/18:1-GPC). Activated by oleylethanolamide, a naturally occurring lipid that regulates satiety. Receptor for peroxisome proliferators such as hypolipidemic drugs and fatty acids. Regulates the peroxisomal beta-oxidation pathway of fatty acids. Functions as transcription activator for the ACOX1 and P450 genes. Transactivation activity requires heterodimerization with RXRA and is antagonized by NR2C2. May be required for the propagation of clock information to metabolic pathways regulated by PER2.
- Gene Name:
- PPARA
- Uniprot ID:
- Q07869
- Molecular Weight:
- 52224.595 Da
Binding/Activity Constants
| Type | Value | Assay Type | Assay Source |
|---|---|---|---|
| AC50 | 0.13 uM | ATG_PPRE_CIS | Attagene |
| AC50 | 9.91 uM | NVS_NR_hPPARa | Novascreen |
References
- Sipes NS, Martin MT, Kothiya P, Reif DM, Judson RS, Richard AM, Houck KA, Dix DJ, Kavlock RJ, Knudsen TB: Profiling 976 ToxCast chemicals across 331 enzymatic and receptor signaling assays. Chem Res Toxicol. 2013 Jun 17;26(6):878-95. doi: 10.1021/tx400021f. Epub 2013 May 16. [23611293 ]
- General Function:
- Transcriptional activator activity, rna polymerase ii distal enhancer sequence-specific binding
- Specific Function:
- Transcription activator that binds to antioxidant response (ARE) elements in the promoter regions of target genes. Important for the coordinated up-regulation of genes in response to oxidative stress. May be involved in the transcriptional activation of genes of the beta-globin cluster by mediating enhancer activity of hypersensitive site 2 of the beta-globin locus control region.
- Gene Name:
- NFE2L2
- Uniprot ID:
- Q16236
- Molecular Weight:
- 67825.9 Da
Binding/Activity Constants
| Type | Value | Assay Type | Assay Source |
|---|---|---|---|
| AC50 | 0.36 uM | ATG_NRF2_ARE_CIS | Attagene |
References
- Sipes NS, Martin MT, Kothiya P, Reif DM, Judson RS, Richard AM, Houck KA, Dix DJ, Kavlock RJ, Knudsen TB: Profiling 976 ToxCast chemicals across 331 enzymatic and receptor signaling assays. Chem Res Toxicol. 2013 Jun 17;26(6):878-95. doi: 10.1021/tx400021f. Epub 2013 May 16. [23611293 ]
- General Function:
- Transcriptional activator activity, rna polymerase ii core promoter proximal region sequence-specific binding
- Specific Function:
- Activates the metallothionein I promoter. Binds to the metal responsive element (MRE).
- Gene Name:
- MTF1
- Uniprot ID:
- Q14872
- Molecular Weight:
- 80956.22 Da
Binding/Activity Constants
| Type | Value | Assay Type | Assay Source |
|---|---|---|---|
| AC50 | 1.14 uM | ATG_MRE_CIS | Attagene |
References
- Sipes NS, Martin MT, Kothiya P, Reif DM, Judson RS, Richard AM, Houck KA, Dix DJ, Kavlock RJ, Knudsen TB: Profiling 976 ToxCast chemicals across 331 enzymatic and receptor signaling assays. Chem Res Toxicol. 2013 Jun 17;26(6):878-95. doi: 10.1021/tx400021f. Epub 2013 May 16. [23611293 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Nuclear hormone receptor. The steroid hormones and their receptors are involved in the regulation of eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues. Ligand-dependent nuclear transactivation involves either direct homodimer binding to a palindromic estrogen response element (ERE) sequence or association with other DNA-binding transcription factors, such as AP-1/c-Jun, c-Fos, ATF-2, Sp1 and Sp3, to mediate ERE-independent signaling. Ligand binding induces a conformational change allowing subsequent or combinatorial association with multiprotein coactivator complexes through LXXLL motifs of their respective components. Mutual transrepression occurs between the estrogen receptor (ER) and NF-kappa-B in a cell-type specific manner. Decreases NF-kappa-B DNA-binding activity and inhibits NF-kappa-B-mediated transcription from the IL6 promoter and displace RELA/p65 and associated coregulators from the promoter. Recruited to the NF-kappa-B response element of the CCL2 and IL8 promoters and can displace CREBBP. Present with NF-kappa-B components RELA/p65 and NFKB1/p50 on ERE sequences. Can also act synergistically with NF-kappa-B to activate transcription involving respective recruitment adjacent response elements; the function involves CREBBP. Can activate the transcriptional activity of TFF1. Also mediates membrane-initiated estrogen signaling involving various kinase cascades. Isoform 3 is involved in activation of NOS3 and endothelial nitric oxide production. Isoforms lacking one or several functional domains are thought to modulate transcriptional activity by competitive ligand or DNA binding and/or heterodimerization with the full length receptor. Essential for MTA1-mediated transcriptional regulation of BRCA1 and BCAS3. Isoform 3 can bind to ERE and inhibit isoform 1.
- Gene Name:
- ESR1
- Uniprot ID:
- P03372
- Molecular Weight:
- 66215.45 Da
Binding/Activity Constants
| Type | Value | Assay Type | Assay Source |
|---|---|---|---|
| AC50 | 3.42 uM | OT_ERa_EREGFP_0120 | Odyssey Thera |
| AC50 | 2.78 uM | OT_ERa_EREGFP_0480 | Odyssey Thera |
References
- Sipes NS, Martin MT, Kothiya P, Reif DM, Judson RS, Richard AM, Houck KA, Dix DJ, Kavlock RJ, Knudsen TB: Profiling 976 ToxCast chemicals across 331 enzymatic and receptor signaling assays. Chem Res Toxicol. 2013 Jun 17;26(6):878-95. doi: 10.1021/tx400021f. Epub 2013 May 16. [23611293 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Steroid hormone receptors are ligand-activated transcription factors that regulate eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues. Transcription factor activity is modulated by bound coactivator and corepressor proteins. Transcription activation is down-regulated by NR0B2. Activated, but not phosphorylated, by HIPK3 and ZIPK/DAPK3.
- Gene Name:
- AR
- Uniprot ID:
- P10275
- Molecular Weight:
- 98987.9 Da
Binding/Activity Constants
| Type | Value | Assay Type | Assay Source |
|---|---|---|---|
| AC50 | 4.92 uM | OT_AR_ARSRC1_0480 | Odyssey Thera |
References
- Sipes NS, Martin MT, Kothiya P, Reif DM, Judson RS, Richard AM, Houck KA, Dix DJ, Kavlock RJ, Knudsen TB: Profiling 976 ToxCast chemicals across 331 enzymatic and receptor signaling assays. Chem Res Toxicol. 2013 Jun 17;26(6):878-95. doi: 10.1021/tx400021f. Epub 2013 May 16. [23611293 ]
- General Function:
- Zinc ion binding
- Specific Function:
- Nuclear receptor that binds and is activated by variety of endogenous and xenobiotic compounds. Transcription factor that activates the transcription of multiple genes involved in the metabolism and secretion of potentially harmful xenobiotics, drugs and endogenous compounds. Activated by the antibiotic rifampicin and various plant metabolites, such as hyperforin, guggulipid, colupulone, and isoflavones. Response to specific ligands is species-specific. Activated by naturally occurring steroids, such as pregnenolone and progesterone. Binds to a response element in the promoters of the CYP3A4 and ABCB1/MDR1 genes.
- Gene Name:
- NR1I2
- Uniprot ID:
- O75469
- Molecular Weight:
- 49761.245 Da
Binding/Activity Constants
| Type | Value | Assay Type | Assay Source |
|---|---|---|---|
| AC50 | 5.57 uM | NVS_NR_hPXR | Novascreen |
References
- Sipes NS, Martin MT, Kothiya P, Reif DM, Judson RS, Richard AM, Houck KA, Dix DJ, Kavlock RJ, Knudsen TB: Profiling 976 ToxCast chemicals across 331 enzymatic and receptor signaling assays. Chem Res Toxicol. 2013 Jun 17;26(6):878-95. doi: 10.1021/tx400021f. Epub 2013 May 16. [23611293 ]