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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: Womens Health (Lond). 2010 Jan;6(1):77–95. doi: 10.2217/whe.09.80

Table 4.

Relative binding affinities of 17β-estradiol and phytoestrogens for estrogen receptors α and β.

Compound Genomic estrogenic activity
17β-estradiol 100.00
Genistein 0.08
Daidzein 0.013
Equol 0.06

The relative binding affinity of 17β-estradiol was arbitrarily set at 100.00.

Adapted from [185].