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

Estrogen Receptor/ERR

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.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-112098
    PROTAC ERα Degrader-1
    Inhibitor
    PROTAC ERα Degrader-1 comprises an ubiquitin E3 ligase binding group, a linker and a protein binding group. PROTAC ERα Degrader-1 extracts from patent WO2017201449A1, compound P1. PROTAC ERα Degrader-1 is an estrogen receptor-alpha (ERα) degrader.
    PROTAC ERα Degrader-1
  • HY-126351
    PROTAC ERRα ligand 2
    Antagonist 99.36%
    PROTAC ERRα ligand 2 is an estrogen-related receptor α (ERRα) inverse agonist with an IC50 of 5.67 nM. PROTAC ERRα ligand 2 (IC50=5.67 nM) displays a ~11-fold improved potency than XCT790 (IC50=61.3 nM).
    PROTAC ERRα ligand 2
  • HY-112611
    H3B-5942
    Inhibitor 99.73%
    H3B-5942 is a selective, irreversible and orally active estrogen receptor covalent antagonist, inactivates both wild-type and mutant ERα by targeting Cys530, with Kis of 1 nM and 0.41 nM, respectively. H3B-5942 reduces ERα target gene GREB1, shows potent antitumor activity both in multiple cell lines or animals bearing ERαWT or ERα mutations.
    H3B-5942
  • HY-103457
    Y134
    Antagonist 99.67%
    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-145572A
    Imlunestrant tosylate
    Degrader 99.68%
    Imlunestrant (LY-3484356) tosylate is an orally active, potent and selective estrogen receptor degrader (SERD) with pure antagonistic properties. Imlunestrant tosylate results in sustained inhibition of ER-dependent gene transcription and cell growth. Imlunestrant tosylate can be used for the research of ER-positive (ER+) advanced breast cancer (aBC) and endometrial endometrioid cancer (EEC).
    Imlunestrant tosylate
  • HY-125263
    OP-1074
    Degrader 99.77%
    OP-1074, a pure anti-estrogen drug, is a selective ER degrader (PA-SERD) with specific anti-estrogenic activity against ERα and ERβ, inhibiting 17β-estradiol (E2)-stimulated transcription with IC50 values of 1.6 and 3.2 nM, respectively.
    OP-1074
  • HY-B0412S2
    Estriol-d3
    Antagonist
    Estriol-d3 is the deuterium labeled Estriol. Estriol is an antagonist of the G-protein coupled estrogen receptor in estrogen receptor-negative breast cancer cells.
    Estriol-d<sub>3</sub>
  • HY-113251S
    2-Hydroxyestrone-d4
    Inhibitor
    2-Hydroxyestrone-d4 is the deuterium labeled 2-Hydroxyestrone. 2-Hydroxyestrone (Catecholestrone) is a specific receptor-mediated antiestrogenic agent. 2-Hydroxyestrone is anticarcinogenic.
    2-Hydroxyestrone-d<sub>4</sub>
  • HY-A0036B
    Bazedoxifene (acetate)-B
    Bazedoxifene (acetate)-B (TSE-424 (acetate)-B) is the B-crystal form compound of Bazedoxifene acetate (HY-A0036). Bazedoxifene acetate is an orally active, nonsteroidal selective estrogen receptor modulator (SERM), with IC50s of 23 nM and 99 nM for ERα and ERβ, respectively.
    Bazedoxifene (acetate)-B
  • HY-135312
    AZ'6421
    Inhibitor 98.13%
    AZ'6421 acts as Protcolysis Targeting Chimera (PROTAC) to selectively degrade estrogen receptor alpha. AZ'6421 has a potent anti-tumour effect to inhibit the uncontrolled cellular proliferation which arises from malignant disease. AZ'6421 can be used for the research of cancer such as breast cancer.
    AZ'6421
  • 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-145716
    Nafoxidine
    Antagonist 98.70%
    Nafoxidine, a nonsteroidal estrogen antagonist, is shown to possess antitumor activity against breast cancer.
    Nafoxidine
  • HY-125703
    Ferutinin
    Modulator 99.23%
    Ferutinin, a natural terpenoid compound, is an estrogen receptor ERα agonist and estrogen ERβ-receptor agonist/antagonist with IC50s of 33.1 nM and 180.5 nM, respectively. Ferutinin acts as an electrogenic Ca2+-ionophore that increases calcium permeability of lipid bilayer membranes, mitochondria. Ferutinin possesses estrogenic, antitumor, antibacterial and antiinflammatory activities.
    Ferutinin
  • 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-16023A
    Acolbifene
    Antagonist 99.52%
    Acolbifene (EM-652), the active metabolite of EM800, is an orally active pure antiestrogen and selective estrogen receptor antagonist. Acolbifene (EM-652) inhibits estradiol (E2)-induced transcriptional activity of ERα (IC50 = 2 nM) and ERβ (IC50 = 0.4 nM). Acolbifene (EM-652) possesses potent and pure anticarcinogenic properties.
    Acolbifene
  • HY-16023B
    (Rac)-Acolbifene
    Antagonist 98.18%
    (Rac)-Acolbifene (EM-343; (Rac)-EM-652) is the racemic form of EM652 (estrogen receptor?antagonist), has anti-estrogenic and estrogenic activities. (Rac)-Acolbifene (EM-343; (Rac)-EM-652) contains a piperidine ring, shows good pharmacological profile,relative binding affinity (RBA)=380.
    (Rac)-Acolbifene
  • HY-145556
    Bexirestrant
    Inhibitor 99.46%
    Bexirestrant is an orally active ER-α degrader. Bexirestrant can be used for the research of antiestrogen, antineoplastic.
    Bexirestrant
  • HY-B1830
    Estradiol enanthate
    99.41%
    Estradiol enanthate (E2EN) is a shorter-acting estrogen. Estradiol enanthate is an injectable contraceptive in combination with Dihydroxyprogesterone acetophenide. Estradiol enanthate promotes withdrawal bleeding, in a pattern similar to menstruation.
    Estradiol enanthate
  • HY-131122S
    4-Nonylphenol-d5
    99.22%
    4-Nonylphenol-d5 is the deuterium labeled 4-Nonylphenol. 4-Nonylphenol, a major degradation product of Nonylphenol ethoxylates (NPEOs), is a persistent organic pollutant with endocrine-disrupting properties and exerts estrogenic activity.
    4-Nonylphenol-d<sub>5</sub>
  • HY-161740
    PHTPP-1304
    Degrader 99.96%
    PHTPP-1304 is a PHTPP-based autophagy targeting chimera (AUTOTAC). PHTPP-1304 induces the degradation of estrogen receptor ERβ through the autophagy pathway, rather than ubiquitination (DC50 ≈ 2 nM, in HEK293T cells; < 100 nM in ACHN renal carcinoma and MCF-7 breast cancer cells). PHTPP-1304 can induce the self-oligomerization of p62. PHTPP-1304 can be used to study various cancers mediated by ERβ.
    PHTPP-1304
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity

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