2. Signaling Pathways
  3. Vitamin D Related/Nuclear Receptor
  4. Estrogen Receptor/ERR

Estrogen Receptor/ERR

Estrogen Receptor/ERR

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Estrogen receptors are a group of proteins found inside cells. They are receptors that are activated by the hormone estrogen (17β-estradiol). Two classes of estrogen receptor exist: ER, which is a member of the nuclear hormone family of intracellular receptors, and GPER (GPR30), which is a member of the rhodopsin-like family of G protein-coupled receptors. The ER's helix 12 domain plays a crucial role in determining interactions with coactivators and corepressors and, therefore, the respective agonist or antagonist effect of the ligand. Different ligands may differ in their affinity for alpha and beta isoforms of the estrogen receptor: estradiol binds equally well to both receptors, estrone, and raloxifene bind preferentially to the alpha receptor, estriol, and genistein to the beta receptor. Estrogen and its receptors are essential for sexual development and reproductive function, but also play a role in other tissues such as bone. Estrogen receptors are also involved in pathological processes including breast cancer, endometrial cancer, and osteoporosis. Alternative promoter usage and alternative splicing result in dozens of transcript variants, but the full-length nature of many of these variants has not been determined.

Estrogen Receptor/ERR Isoform Specific Products:

Estrogen Receptor/ERR Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-135309
    PROTAC ER Degrader-4
    		Inhibitor 98.78%
    PROTAC ER Degrader-4 is a von Hippel-Lindau-based PROATC estrogen receptor (ER) degrader, binding to ER with an IC50 of 0.8 nM. PROTAC ER Degrader-4 induces ER degradation in MCF-7 cells with an IC50 of 0.3 nM.
    PROTAC ER Degrader-4
  • HY-B0216S
    Ethynyl Estradiol-d4
    		Agonist
    Ethynyl Estradiol-d4 is the deuterium labeled Ethynyl Estradiol. Ethynyl Estradiol (17α-Ethynylestradiol;Ethynylestradiol) is an orally bio-active estrogen used in almost all modern formulations of combined oral contraceptive pills. Ethynyl Estradiol-d4 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
    Ethynyl Estradiol-d<sub>4</sub>
  • HY-13556A
    Arzoxifene hydrochloride
    		Modulator 98.00%
    Arzoxifene (LY353381) hydrocloride is a selective estrogen receptor modulator that is a potent estrogen antagonist in mammary and uterine tissue while acting as an estrogen agonist to maintain bone density and lower serum cholesterol.
    Arzoxifene hydrochloride
  • HY-N4121
    Isocurcumenol
    		Inhibitor 99.47%
    Isocurcumenol, an estrogen receptor alpha (ERα) inhibitor isolated from Curcuma zedoaria Rhizomes, possesses anti-tumor acticity, with IC50 values of 99.1μg/mL and 178.2 μg/mL in DLA and KB cells, respectively.
    Isocurcumenol
  • HY-N0322S4
    Cholesterol-13C3
    		Agonist 98.80%
    Cholesterol-13C3 is the 13C-labeled Cholesterol. Cholesterol is the major sterol in mammals. It is making up 20-25% of structural component of the plasma membrane. Plasma membranes are highly permeable to water but relatively impermeable to ions and protons. Cholesterol plays an important role in determining the fluidity and permeability characteristics of the membrane as well as the function of both the transporters and signaling proteins. Cholesterol is also an endogenous estrogen-related receptor α (ERRα) agonist.
    Cholesterol-<sup>13</sup>C<sub>3</sub>
  • HY-16950BS
    (E)-4-Hydroxytamoxifen-d5
    		Modulator 98.28%
    (E)-4-Hydroxytamoxifen-d5 ((E)-Afimoxifene-d5) is the deuterium labeled (E)-4-Hydroxytamoxifen. (E)-4-Hydroxytamoxifen ((E)-Afimoxifene), the less active isomer of (Z)-4-hydroxytamoxifen, is an estrogen receptor modulator.
    (E)-4-Hydroxytamoxifen-d<sub>5</sub>
  • HY-157765
    PROTAC ERα Degrader-6
    		Degrader
    PROTAC ERα Degrader-6 (compound A2) is a potent PROTAC degrader of ERα, with IC50 of 0.11 μM in MCE-7 cells. PROTAC ERα Degrader-6 has anti-tumor effect. PROTAC ERα Degrader-6 is a fluorescent probes with Em of 582 nm that enable real-time visualization of ERα protein degradation.
    PROTAC ERα Degrader-6
  • HY-153895
    SLU-PP-1072
    		Inhibitor 98.24%
    SLU-PP-1072 is a dual ERRα/γ inverse agonist, used in Prostate cancer (PCa) research. SLU-PP-1072 disrupts PCa cell metabolism, and induces apoptosis via dysregulating cell cycle.
    SLU-PP-1072
  • HY-B1830
    Estradiol enanthate
    		99.41%
    Estradiol enanthate is a shorter-acting estrogen. The combination of Estradiol enanthate and dihydroxyprogesterone acetophenide can be used as a monthly injectable contraceptive.
    Estradiol enanthate
  • HY-108293
    Promestriene
    		Agonist 99.91%
    Promestriene is a synthetic diethyl-ether of estradiol and a locally effective estrogen. Promestriene has an efficient action on vaginal atrophy while it is minimally absorbed.
    Promestriene
  • HY-161740
    PHTPP-1304
    		Degrader 99.96%
    PHTPP-1304 is a PHTPP-based autophagy targeting chimera (AUTOTAC) that induces p62 self-oligomerization and degradation of estrogen receptor ERβ (DC50:~2 nM, HEK293T). PHTPP-1304 also induces the formation of p62+ERβ+ puncta that are affected by autophagic flux in a dose-dependent manner.
    PHTPP-1304
  • HY-13757AS
    Tamoxifen-d5
    		Modulator 99.99%
    Tamoxifen-d5 is a deuterium labeled Tamoxifen. Tamoxifen (ICI 47699) is an orally active, selective estrogen receptor modulator (SERM). Tamoxifen is a potent Hsp90 activator and enhances the Hsp90 molecular chaperone ATPase activity.
    Tamoxifen-d<sub>5</sub>
  • HY-124414
    4'-Hydroxytamoxifen
    		Modulator 99.2%
    4'-Hydroxytamoxifen is a metabolite of Tamoxifen. 4'-Hydroxytamoxifen shows higher affinity for the ER than Tamoxifen. 4'-Hydroxytamoxifen induces a non-apoptotic cytotoxic effect in human endometrial adenocarcinoma cells.
    4'-Hydroxytamoxifen
  • HY-B0412R
    Estriol (Standard)
    		Antagonist 99.62%
    Estriol (Standard) is the analytical standard of Estriol. This product is intended for research and analytical applications.
    Estriol (Standard)
  • HY-D0272
    2,3,4-Trihydroxybenzophenone
    		99.92%
    2,3,4-Trihydroxybenzophenone is a hydroxylated benzophenone UV filter with estrogenic activity. 2,3,4-Trihydroxybenzophenone is a quorum sensing inhibitor and an EC 1.14.18.1 (tyrosinase) inhibitor. 2,3,4-Trihydroxybenzophenone is also a human urinary metabolite, a rat metabolite and a drug metabolite.
    2,3,4-Trihydroxybenzophenone
  • HY-B0652
    Etonogestrel
    		Agonist 99.14%
    Etonogestrel (3-Oxodesogestrel), a biologically active metabolite of progestin Desogestrel, binds with high affinity to progesterone receptors and estrogen receptors in the target organs. Etonogestrel induce FKBP51 mRNA and protein expression in cultured human endometrial stromal cells (HESCs).
    Etonogestrel
  • HY-128838A
    (rel)-PROTAC ERRα Degrader-1
    		98.18%
    (rel)-PROTAC ERRα Degrader-1 is a relative configuration of PROTAC ERRα Degrader-1. PROTAC ERRα Degrader-1 comprises a MDM2 ligand binding group, a linker and an estrogen-related receptor alpha (ERRa) binding group. PROTAC ERRα Degrader-1 is an estrogen-related receptor alpha (ERRa) degrader.
    (rel)-PROTAC ERRα Degrader-1
  • HY-149480
    ERD-3111
    		Degrader 98.72%
    ERD-3111 (Compound 44) is an orally active PROTAC ERα degrader (DC50: 0.5 nM). ERD-3111 inhibits tumor growth in the parental MCF-7 xenograft model with wild-type ER and two clinically relevant ESR1 mutated mice model. ERD-3111 can be used in the research of ER+ breast cancer.
    ERD-3111
  • HY-103457
    Y134
    		Antagonist 98.34%
    Y134 is a selective and orally active oestrogen receptor (ER) modulator (SERM), exhibits potent antagonist activity at ERα and ERβ. Y134 shows 121.1-fold selectivity for ERα (Ki=0.09 nM) over ERβ (Ki=11.31 nM). Y134 inhibits oestrogen-stimulated proliferation of ER-positive human breast cancer cells.
    Y134
  • HY-B0141S3
    Estradiol-d2
    		Agonist 99.44%
    Estradiol-d2 is the deuterium labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway[1][2][3].
    Estradiol-d<sub>2</sub>
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
Estrogen Receptor/ERR Isoform Comparison

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