Structure Database (LMSD)

Common Name
Equol
Systematic Name
7,4'-Dihydroxyisoflavan
Synonyms
LM ID
LMPK12080003
Formula
Exact Mass
Calculate m/z
242.094295
Status
Curated


Classification

Biological Context

Equol is a nonsteroidal estrogen produced from the metabolism of the isoflavonoid phytoestrogen daidzein by human intestinal microflora.1,2 The estrogen receptor (ER) binding activity of the naturally occurring (S)-enantiomer demonstrates greater affinity toward ERβ while the (R)-enantiomer demonstrates greater affinity towards ERα.1,2 Synthesized as a racemic mixture, (±)-equol exhibits EC50 values of 200 and 74 nM for human ERα and ERβ, respectively and induces breast cancer cell proliferation in vitro at concentrations as low as 100 nM.2,3

This information has been provided by Cayman Chemical

References

3. Setchell, K.D.R., Clerici, C., Lephart, E.D., et al. S-equol, a potent ligand for estrogen receptor β, is the exclusive enantiomeric form of the soy isoflavone metabolite produced by human intestinal bacterial flora. Am. J. Clin. Nutr. 81(5), 1072-1079 (2005).

References

Taxonomy Information

Curated from
NCBI taxonomy class
Reference
Viridiplantae (#33090)
Flavonoid imported from http://metabolomics.jp/

String Representations

InChiKey (Click to copy)
ADFCQWZHKCXPAJ-UHFFFAOYSA-N
InChi (Click to copy)
InChI=1S/C15H14O3/c16-13-4-1-10(2-5-13)12-7-11-3-6-14(17)8-15(11)18-9-12/h1-6,8,12,16-17H,7,9H2
SMILES (Click to copy)
C1(O)C=CC2CC(C3C=CC(O)=CC=3)COC=2C=1

Other Databases

Wikipedia
HMDB ID
CHEBI ID
METABOLOMICS ID
PubChem CID
Cayman ID

Calculated Physicochemical Properties

Heavy Atoms 18
Rings 3
Aromatic Rings 2
Rotatable Bonds 1
Van der Waals Molecular Volume 219.71
Topological Polar Surface Area 51.76
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 3
logP 3.10
Molar Refractivity 68.64

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