LBD

HBT1 is an AMPA receptor potentiator that induces production of brain-derived neurotrophic factor (BDNF) and exhibits little agonistic effect in primary neurons. HBT1 binds to ligand-binding domain of AMPA-R in glutamate dependent manner.

PEPA is an allosteric AMPA receptors modulator; binds to the GluA2o and GluA3o LBDs and can be utilized as an indicator of AMPA receptor heterogeneity.

UT-155 is a selective and potent antagonist of the androgen receptor (AR) with a binding affinity (Ki) of 267 nM for the AR ligand-binding domain (AR-LBD).

Nurr1 agonist 2 is a Nurr1 agonist with an EC50 value of 0.07 μM. Nurr1 agonist 2 increases the mRNA expression of the Nurr1-regulated genes tyrosine hydroxylase (TH) and vesicular amino acid transporter 2 (VMAT2). Nurr1 agonist 2 binds to the recombinant Nurr1 ligand-binding domain (LBD) with a Kd of 0.14 μM. Nurr1 agonist 2 can be used to study parkinsonism.

RORγt Inverse agonist 8 is a potent, selective, orally bioavailable RORγt inverse agonist (human RORγt-LBD) with an IC50 of 19 nM.

Leriglitazone, a metabolite of pioglitazone, binds to the PPARγ C-terminal ligand-binding domain (Ki: 1.2 μM) and induces transcriptional efficacy of the PPARγ (EC50: 680 nM). Leriglitazone PioOH is a PPARγ agonist, stabilizes the PPARγ activation functio

SC428 acts as an inhibitor of the androgen receptor (AR), specifically targeting the N-terminal domain of AR. This compound effectively diminishes the transactivation of various AR forms, including AR-V7, ARv567es, full-length AR (AR-FL), and its LBD mutants. Additionally, SC428 significantly inhibits AR-FL nuclear translocation, chromatin binding, and AR-regulated gene transcription under androgen stimulation. In vitro, SC428 suppresses the proliferation of tumor cells. In vivo, it inhibits tumor growth in mice transplanted with 22Rv1 cells by inducing apoptosis.

Elodeoidileon A acts as an agonist to RXRα, exhibiting a dissociation constant (Kd) of 5.85 μM when interacting with the RXRα-LBD protein. It enhances the expression of ATP Binding Cassette Transporter A1 (ABCA1). Furthermore, Elodeoidileon A holds potential in Alzheimer's disease research.

PPARγ agonist16 (Compound 4G) is a PPARγ agonist that competitively binds to the ligand-binding domain (LBD) of PPARγ with an IC50 of 1790 nM. It reduces ear swelling in mouse models and exhibits antihyperglycemic activity in mice with Streptozotocin-induced diabetes.

RORγt inverse agonist 34 (compound 5a) is an inverse agonist for RORγt, exhibiting an IC50 of 0.094 μM for the inhibition of RORγt-LBD. This compound is utilized in psoriasis research.

PPARγmodulator-2 (Compound (R)-2n) is a reversible modulator of PPARγ, inhibiting the PPARγ ligand-binding domain (LBD) with an IC50 of 41 nM. It helps lower blood glucose levels, improves glucose tolerance and insulin sensitivity, and demonstrates antidiabetic activity in db db mouse models.

GL392 is a senolytic agent that delivers the potent senescence-clearing compound Dasatinib specifically to senescent cells. By targeting the LBD domain, it binds lipofuscin in these cells and releases Dasatinib via an ester linkage, inducing apoptosis (Apoptosis) in senescent cells. Additionally, GL392 is encapsulated in PEO-b-PCL microcapsules to ensure efficient intracellular delivery while minimizing systemic toxicity. GL392 is applicable in cancer research.

MI-883 is an orally active Constitutive Androstane Receptor (CAR, EC50=73 nM) agonist and a Pregnane X Receptor (PXR, IC50=0.1 μM) antagonist. It enhances CAR LBD assembly (EC50=0.38 µM) and activates the CAR3 variant (EC50=0.074 µM), inducing CYP2B6 mRNA expression in HepaRG and primary human hepatocytes. Additionally, MI-883 inhibits the basal activity of PXR (IC50=2.03 µM) and reduces CYP3A4 mRNA expression in transiently transfected HepG2 cells. It also regulates cholesterol metabolism and bile acid excretion, improving hypercholesterolemia in mouse models.

LXRα agonist 1 (Compound 40) is a selective activator of LXRα, with an EC50 of 42 nM, and also demonstrates some activation effects on LXRβ, with an EC50 of 266 nM. It promotes target gene transcription by stabilizing the ligand-binding domain (LBD) of LXRα. When combined with the Raf inhibitor Sorafenib, LXRα agonist 1 shows significant antitumor activity in liver cancer cells. This compound is applicable in research focused on lipotoxicity-related cancers.

Amodiaquine dihydrochloride (Amodiaquin dihydrochloride), a member of the 4-aminoquinoline class, is an antimalarial agent that also acts as a potent oral histamine N-methyltransferase inhibitor with a K i value of 18.6 nM. Additionally, it functions as a Nurr1 agonist, targeting the Nurr1-LBD (ligand binding domain) with an EC 50 of approximately 20 μM, demonstrating anti-inflammatory effects [1] [2] [3] [4] [5].

GNE-274, a non-degrader compound structurally similar to GDC-0927 (an ER degrader), serves as a partial ER agonist in breast cancer cell lines without triggering ER turnover. Notably, GNE-274 enhances chromatin accessibility at ER-DNA binding sites, unlike GDC-0927. Acting as a potent inhibitor of the ER-ligand binding domain (LBD), GNE-274 exhibits potential for cancer research purposes.

VPC-16606 is a potent and selective inhibitor of ERα-dependent cell growth and gene expression. VPC-16606 prevents the interaction between ERα-LBD and SRC-3 fusion proteins in a dose-dependent manner.

Leriglitazone (Hydroxypioglitazone) hydrochloride, a pioglitazone metabolite, acts as a PPARγ agonist, effectively stabilizing the PPARγ activation function-2 (AF-2) co-activator binding surface to enhance co-activator binding, which results in a modest improvement in transcriptional efficacy. It binds to the PPARγ C-terminal ligand-binding domain (LBD) with a dissociation constant (K i) of 1.2 μM and demonstrates transcriptional efficacy with an effective concentration (EC 50) of 680 nM [1].

Luxdegalutamide (ARV-766) is a novel, potent, and orally bioavailable proteolytic targeting chimera (PROTAC) protein degrader that degrades not only wild-type AR but also clinically relevant AR LBD mutants, including the most prevalent AR L702H, H875Y, and T878A mutations.

Targefrin is a potent antagonist targeting EphA2, exhibiting a dissociation constant of 21 nM and an IC50 value of 10.8 nM for the EphA2-LBD. It promotes receptor internalization and degradation across multiple pancreatic cancer cell lines [1].

SR 19881 is a full agonist of ERRγ(EC50 value of 0.39 μM in a binding assay and an EC50 value of 4.7 μM in a cell-based assay).

Amodiaquine is a synthetic aminoquinoline, used to treat malaria.

The compound 4A7C-301-Nurr1 agonist is a specific agonist for the nuclear receptor-related 1 (Nurr1). By binding to the Nurr1 ligand-binding domain with an IC50 value of 48.22 nM, it enhances the transcriptional activity of both Nurr1-LBD and the full-length Nurr1, as demonstrated in reporter assays using SK-N-BE(2)C human neuroblastoma cells, with EC50 values of 6.53 and 50-70 µM, respectively. Additionally, administration of 4A7C-301-Nurr1 agonist at a dosage of 5 mg/kg per day has been shown to mitigate dopaminergic cell death in the striatum and substantia nigra pars compacta and ameliorate motor and olfactory deficits in mouse models of Parkinson's disease, circumventing the induction of dyskinesia-like behaviors. These models were induced either by the neurotoxin MPTP or by overexpression of α-synuclein.

JMV6944 is a PXR agonist that competitively inhibits the binding of ligands to the ligand-binding domain (LBD) of human PXR, with an IC50 value of 680 nM. Additionally, JMV6944 induces the expression of CYP3A4 mRNA in cultures of freshly isolated primary human hepatocytes.