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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2005-11-16 15:48:42 UTC
Update Date2022-03-07 02:48:58 UTC
HMDB IDHMDB0000010
Secondary Accession Numbers
  • HMDB00010
  • HMDB0004990
  • HMDB0004991
  • HMDB04990
  • HMDB04991
Metabolite Identification
Common Name2-Methoxyestrone
Description2-Methoxyestrone (or 2-ME1) belongs to the class of organic compounds known as estrogens and derivatives. These are steroids with a structure containing a 3-hydroxylated estrane. Thus, 2-methoxyestrone is considered to be a steroid or steroid derivative. It is a by-product of estrone and 2-hydroxyestrone metabolism and has been detected in all mammals. More specifically, 2-methoxyestrone is an endogenous, naturally occurring methoxylated catechol estrogen and a metabolite of estrone that is formed by catechol O-methyltransferase via the intermediate 2-hydroxyestrone. 2-Methoxyestrone is part of the androgen and estrogen metabolic pathway. The acid ionization constant (pKa) of 2-methoxyestrone has been determined to be 10.81 (PMID: 516114 ). 2-Methoxyestrone can be metabolized to a sulfated derivative (2-methoxyestrone 3-sulfate) via steroid sulfotransferase (EC 2.8.2.15). It can also be glucuronidated to 2-methoxyestrone 3-glucuronide by UDP glucuronosyltransferase (EC 2.4.1.17). Unlike estrone but similarly to 2-hydroxyestrone and 2-methoxyestradiol, 2-methoxyestrone has very low affinity for the estrogen receptor and lacks significant estrogenic activity (PMID: 10865186 ).
Structure
Data?1582752107
Synonyms
ValueSource
2-(8S,9S,13S,14S)-3-Hydroxy-2-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-oneHMDB
2-Hydroxyestrone 2-methyl etherHMDB
2-Methoxy-17-oxoestra-1,3,5(10)-trien-3-olHMDB
2-Methoxy-3-hydroxyestra-1,3,5(10)-trien-17-oneHMDB
3-Hydroxy-2-methoxy-estra-1,3,5(10)-trien-17-oneHMDB
3-Hydroxy-2-methoxyestra-1,3,5(10)-trien-17-oneHMDB
Methoxy-estroneHMDB
Chemical FormulaC19H24O3
Average Molecular Weight300.3921
Monoisotopic Molecular Weight300.172544634
IUPAC Name(1S,10R,11S,15S)-5-hydroxy-4-methoxy-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2(7),3,5-trien-14-one
Traditional Name(1S,10R,11S,15S)-5-hydroxy-4-methoxy-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2(7),3,5-trien-14-one
CAS Registry Number362-08-3
SMILES
[H][C@@]12CCC(=O)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])C=C(O)C(OC)=C3
InChI Identifier
InChI=1S/C19H24O3/c1-19-8-7-12-13(15(19)5-6-18(19)21)4-3-11-9-16(20)17(22-2)10-14(11)12/h9-10,12-13,15,20H,3-8H2,1-2H3/t12-,13+,15-,19-/m0/s1
InChI KeyWHEUWNKSCXYKBU-QPWUGHHJSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as estrogens and derivatives. These are steroids with a structure containing a 3-hydroxylated estrane.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassSteroids and steroid derivatives
Sub ClassEstrane steroids
Direct ParentEstrogens and derivatives
Alternative Parents
Substituents
  • Estrogen-skeleton
  • 3-hydroxysteroid
  • Oxosteroid
  • 17-oxosteroid
  • Hydroxysteroid
  • Phenanthrene
  • Tetralin
  • Anisole
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • Benzenoid
  • Ketone
  • Ether
  • Organic oxygen compound
  • Organooxygen compound
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxide
  • Aromatic homopolycyclic compound
Molecular FrameworkAromatic homopolycyclic compounds
External Descriptors
Ontology
Physiological effect
Disposition
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point187.0 - 189.5 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic Properties

Experimental Collision Cross Sections

Adduct TypeData SourceCCS Value (Å2)Reference
[M-H]-Not Available184.553http://allccs.zhulab.cn/database/detail?ID=AllCCS00001854
[M+H]+Not Available174.466http://allccs.zhulab.cn/database/detail?ID=AllCCS00001854
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.0075 g/LALOGPS
logP3.5ALOGPS
logP4.15ChemAxon
logS-4.6ALOGPS
pKa (Strongest Acidic)10.29ChemAxon
pKa (Strongest Basic)-4.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area46.53 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity85.55 m³·mol⁻¹ChemAxon
Polarizability34.34 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+171.97231661259
DarkChem[M-H]-172.44131661259
AllCCS[M+H]+173.50732859911
AllCCS[M-H]-180.08132859911
DeepCCS[M-2H]-213.62330932474
DeepCCS[M+Na]+188.75930932474
AllCCS[M+H]+173.532859911
AllCCS[M+H-H2O]+170.432859911
AllCCS[M+NH4]+176.432859911
AllCCS[M+Na]+177.332859911
AllCCS[M-H]-180.132859911
AllCCS[M+Na-2H]-179.932859911
AllCCS[M+HCOO]-179.932859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
2-Methoxyestrone[H][C@@]12CCC(=O)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])C=C(O)C(OC)=C33613.2Standard polar33892256
2-Methoxyestrone[H][C@@]12CCC(=O)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])C=C(O)C(OC)=C32579.0Standard non polar33892256
2-Methoxyestrone[H][C@@]12CCC(=O)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])C=C(O)C(OC)=C32787.9Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
2-Methoxyestrone,1TMS,isomer #1COC1=CC2=C(C=C1O[Si](C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]122817.4Semi standard non polar33892256
2-Methoxyestrone,1TMS,isomer #2COC1=CC2=C(C=C1O)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C)=CC[C@@H]122756.0Semi standard non polar33892256
2-Methoxyestrone,2TMS,isomer #1COC1=CC2=C(C=C1O[Si](C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C)=CC[C@@H]122734.4Semi standard non polar33892256
2-Methoxyestrone,2TMS,isomer #1COC1=CC2=C(C=C1O[Si](C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C)=CC[C@@H]122657.1Standard non polar33892256
2-Methoxyestrone,2TMS,isomer #1COC1=CC2=C(C=C1O[Si](C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C)=CC[C@@H]123077.2Standard polar33892256
2-Methoxyestrone,1TBDMS,isomer #1COC1=CC2=C(C=C1O[Si](C)(C)C(C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]123089.8Semi standard non polar33892256
2-Methoxyestrone,1TBDMS,isomer #2COC1=CC2=C(C=C1O)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C(C)(C)C)=CC[C@@H]123023.2Semi standard non polar33892256
2-Methoxyestrone,2TBDMS,isomer #1COC1=CC2=C(C=C1O[Si](C)(C)C(C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C(C)(C)C)=CC[C@@H]123197.4Semi standard non polar33892256
2-Methoxyestrone,2TBDMS,isomer #1COC1=CC2=C(C=C1O[Si](C)(C)C(C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C(C)(C)C)=CC[C@@H]123055.3Standard non polar33892256
2-Methoxyestrone,2TBDMS,isomer #1COC1=CC2=C(C=C1O[Si](C)(C)C(C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C(C)(C)C)=CC[C@@H]123326.9Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental GC-MSGC-MS Spectrum - 2-Methoxyestrone GC-MS (1 MEOX; 1 TMS)splash10-0v00-3962100000-dc012225743e8174ee722014-06-16HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - 2-Methoxyestrone GC-MS (1 MEOX; 1 TMS)splash10-0ufr-4962100000-5be9e66baad9de6950432014-06-16HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - 2-Methoxyestrone GC-MS (Non-derivatized)splash10-0v00-3962100000-dc012225743e8174ee722017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - 2-Methoxyestrone GC-MS (Non-derivatized)splash10-0ufr-4962100000-5be9e66baad9de6950432017-09-12HMDB team, MONA, MassBankView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Methoxyestrone GC-MS (Non-derivatized) - 70eV, Positivesplash10-0fg9-1390000000-61eb2b2fc7bb1d35c4352017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Methoxyestrone GC-MS (1 TMS) - 70eV, Positivesplash10-072c-1059000000-ebdce86a42908f5f5ea52017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Methoxyestrone GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Methoxyestrone GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Methoxyestrone GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Methoxyestrone GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - 2-Methoxyestrone Quattro_QQQ 10V, Positive-QTOF (Annotated)splash10-0udi-0119000000-0bdc31d3bf6c50adcb9b2012-07-24HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 2-Methoxyestrone Quattro_QQQ 25V, Positive-QTOF (Annotated)splash10-000i-0920000000-5046a6edcda6f0db50bb2012-07-24HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 2-Methoxyestrone Quattro_QQQ 40V, Positive-QTOF (Annotated)splash10-0fa9-1900000000-dcf45f9d5075089379622012-07-24HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 10V, Positive-QTOFsplash10-0udi-0129000000-5f9334f16cca6272fe082017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 20V, Positive-QTOFsplash10-0g4i-0793000000-494025fc807309cad4032017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 40V, Positive-QTOFsplash10-0fe0-5690000000-938674197a273bfc325f2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 10V, Negative-QTOFsplash10-0002-0090000000-141b03af24d67c29ebc02017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 20V, Negative-QTOFsplash10-0002-0090000000-5f7c58555ff69013e2002017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 40V, Negative-QTOFsplash10-055f-1090000000-88737d24caa85f3a66222017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 10V, Positive-QTOFsplash10-0udi-0029000000-df48a14f457e57ae7b362021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 20V, Positive-QTOFsplash10-0zir-1493000000-8cc03c225697e74b97e22021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 40V, Positive-QTOFsplash10-0f97-3920000000-38e67b46e7413078ae092021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 10V, Negative-QTOFsplash10-0002-0090000000-dd82c6133109d0e6e28e2021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 20V, Negative-QTOFsplash10-0002-0090000000-03c0532ee78fc6f18ec62021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methoxyestrone 40V, Negative-QTOFsplash10-0159-0190000000-1cadf82cc0f992845f312021-09-25Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Experimental 2D NMR[1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, 100%_DMSO, experimental)2012-12-04Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
Biospecimen Locations
  • Blood
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot Available
Normal
      Not Available
details
UrineDetected and Quantified0.005 (0.004-0.006) umol/mmol creatinineAdult (>18 years old)BothNormal details
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
UrineDetected and Quantified0.025 (0.02-0.03) umol/mmol creatinineAdult (>18 years old)BothProlactinoma details
Associated Disorders and Diseases
Disease References
Prolactinoma
  1. Lee SH, Nam SY, Chung BC: Altered profile of endogenous steroids in the urine of patients with prolactinoma. Clin Biochem. 1998 Oct;31(7):529-35. [PubMed:9812172 ]
Associated OMIM IDs
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB021868
KNApSAcK IDNot Available
Chemspider ID389515
KEGG Compound IDC05299
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia Link2-Methoxyestrone
METLIN ID2578
PubChem Compound440624
PDB IDNot Available
ChEBI ID1189
Food Biomarker OntologyNot Available
VMH IDC05299
MarkerDB IDMDB00000004
Good Scents IDNot Available
References
Synthesis ReferenceStoelwinder, Johannes; Moers, Nicolaas Elisabeth Cornelis. Process for the preparation 2-substituted derivatives of estrone and estradiol.PCT Int. Appl. (2006), 40 pp.
Material Safety Data Sheet (MSDS)Download (PDF)
General References
  1. Lee SH, Nam SY, Chung BC: Altered profile of endogenous steroids in the urine of patients with prolactinoma. Clin Biochem. 1998 Oct;31(7):529-35. [PubMed:9812172 ]
  2. Longcope C, Flood C, Femino A, Williams KI: Metabolism of 2-methoxyestrone in normal men. J Clin Endocrinol Metab. 1983 Aug;57(2):277-82. [PubMed:6863476 ]
  3. Ball P, Reu G, Schwab J, Knuppen R: Radioimmunoassay of 2-hydroxyesterone and 2-methoxyestrone in human urine. Steroids. 1979 May;33(5):563-76. [PubMed:462497 ]
  4. Lewis KM, Archer RD: pKa values of estrone, 17 beta-estradiol and 2-methoxyestrone. Steroids. 1979 Nov;34(5):485-99. [PubMed:516114 ]
  5. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  6. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  7. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  8. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  9. Bhavnani BR, Nisker JA, Martin J, Aletebi F, Watson L, Milne JK: Comparison of pharmacokinetics of a conjugated equine estrogen preparation (premarin) and a synthetic mixture of estrogens (C.E.S.) in postmenopausal women. J Soc Gynecol Investig. 2000 May-Jun;7(3):175-83. doi: 10.1016/s1071-5576(00)00049-6. [PubMed:10865186 ]
  10. (). S. Kraychy, T. F. Gallagher. 2-Methoxyestrone, A Metabolite of Estradiol-17β in the Human. J. Am. Chem. Soc., 1957, 79 (3), pp 754–754. .
  11. (). Miyazaki M, Fishman J. Isomeric aryl monsulfates of estrogen catechols. J Org Chem. 1968 Feb;33(2):662-4. .
  12. (). Shimada, K. et al., J. Chromatogr., 1979, 178, 350, (HPLC). .
  13. (). Gelbke, H.P. et al., Steroids, 1973, 21, 205, (synthesis, PMR). .
  14. (). Douglas GH, Walk CR, Smith H. Totally synthetic steroid hormones. V. (+ -)-2,3-Dimethoxyestra-1,3,5(10)-trien-17-beta-ol and some congeners. J Med Chem. 1966 Jan;9(1):27-9.. .
  15. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.

Only showing the first 10 proteins. There are 23 proteins in total.

Enzymes

General function:
Involved in magnesium ion binding
Specific function:
Catalyzes the O-methylation, and thereby the inactivation, of catecholamine neurotransmitters and catechol hormones. Also shortens the biological half-lives of certain neuroactive drugs, like L-DOPA, alpha-methyl DOPA and isoproterenol.
Gene Name:
COMT
Uniprot ID:
P21964
Molecular weight:
30036.77
Reactions
2-Hydroxyestrone + S-Adenosylmethionine → 2-Methoxyestrone + S-Adenosylhomocysteinedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGTs are of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isozyme has glucuronidating capacity with steroid substrates such as 5-beta-androstane 3-alpha,17-beta-diol, estradiol, ADT, eugenol and bile acids. Only isoform 1 seems to be active.
Gene Name:
UGT2B28
Uniprot ID:
Q9BY64
Molecular weight:
38742.9
Reactions
2-Methoxyestrone + Uridine diphosphate glucuronic acid → 2-Methoxyestrone 3-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGTs are of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isozyme is active on polyhydroxylated estrogens (such as estriol, 4-hydroxyestrone and 2-hydroxyestriol) and xenobiotics (such as 4-methylumbelliferone, 1-naphthol, 4-nitrophenol, 2-aminophenol, 4-hydroxybiphenyl and menthol). It is capable of 6 alpha-hydroxyglucuronidation of hyodeoxycholic acid.
Gene Name:
UGT2B4
Uniprot ID:
P06133
Molecular weight:
60512.035
Reactions
2-Methoxyestrone + Uridine diphosphate glucuronic acid → 2-Methoxyestrone 3-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isoform glucuronidates bilirubin IX-alpha to form both the IX-alpha-C8 and IX-alpha-C12 monoconjugates and diconjugate.
Gene Name:
UGT1A4
Uniprot ID:
P22310
Molecular weight:
60024.535
Reactions
2-Methoxyestrone + Uridine diphosphate glucuronic acid → 2-Methoxyestrone 3-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds.
Gene Name:
UGT2B10
Uniprot ID:
P36537
Molecular weight:
60773.485
Reactions
2-Methoxyestrone + Uridine diphosphate glucuronic acid → 2-Methoxyestrone 3-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. Its unique specificity for 3,4-catechol estrogens and estriol suggests it may play an important role in regulating the level and activity of these potent and active estrogen metabolites. Is also active with androsterone, hyodeoxycholic acid and tetrachlorocatechol (in vitro).
Gene Name:
UGT2B7
Uniprot ID:
P16662
Molecular weight:
60720.15
Reactions
2-Methoxyestrone + Uridine diphosphate glucuronic acid → 2-Methoxyestrone 3-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGTs are of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isozyme displays activity toward several classes of xenobiotic substrates, including simple phenolic compounds, 7-hydroxylated coumarins, flavonoids, anthraquinones, and certain drugs and their hydroxylated metabolites. It also catalyzes the glucuronidation of endogenous estrogens and androgens.
Gene Name:
UGT2B15
Uniprot ID:
P54855
Molecular weight:
61035.815
Reactions
2-Methoxyestrone + Uridine diphosphate glucuronic acid → 2-Methoxyestrone 3-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDP-glucuronosyltransferases catalyze phase II biotransformation reactions in which lipophilic substrates are conjugated with glucuronic acid to increase water solubility and enhance excretion. They are of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. Active on odorants and seems to be involved in olfaction; it could help clear lipophilic odorant molecules from the sensory epithelium.
Gene Name:
UGT2A1
Uniprot ID:
Q9Y4X1
Molecular weight:
60771.605
Reactions
2-Methoxyestrone + Uridine diphosphate glucuronic acid → 2-Methoxyestrone 3-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isoform glucuronidates bilirubin IX-alpha to form both the IX-alpha-C8 and IX-alpha-C12 monoconjugates and diconjugate. Is also able to catalyze the glucuronidation of 17beta-estradiol, 17alpha-ethinylestradiol, 1-hydroxypyrene, 4-methylumbelliferone, 1-naphthol, paranitrophenol, scopoletin, and umbelliferone.
Gene Name:
UGT1A1
Uniprot ID:
P22309
Molecular weight:
59590.91
Reactions
2-Methoxyestrone + Uridine diphosphate glucuronic acid → 2-Methoxyestrone 3-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isoform has specificity for phenols.
Gene Name:
UGT1A9
Uniprot ID:
O60656
Molecular weight:
59940.495
Reactions
2-Methoxyestrone + Uridine diphosphate glucuronic acid → 2-Methoxyestrone 3-glucuronide + Uridine 5'-diphosphatedetails

Only showing the first 10 proteins. There are 23 proteins in total.