GPCR, the global knowledge hub for G protein-coupled receptor (GPCR) research and education, is proud “These tools can dramatically improve how scientists measure ligand-receptor interactions, visualize partnership will help accelerate the adoption of our chemical tools and foster collaborations that turn receptor GPCR allows us to engage with researchers worldwide who are shaping the future of receptor-targeted therapies GPCR empowers scientists and companies advancing receptor biology and drug discovery.

Think a drug just "locks into" a receptor and does its job? Think again. It explains how the concentration of a drug influences its binding to the receptor. Instead, it involves a dynamic interaction between the drug and the receptor. The receptor may change shape upon binding, affecting how the drug interacts and how effective it will Understanding the intricate details of drug-receptor interactions transforms how we approach pharmacology

Most drugs don’t fail at the receptor level—they fail before they even reach it. In every lab, candidates fail not because they lack potency at a receptor, but because they stumble at Even the most elegant GPCR ligand can fail if it never reaches its receptor. You’re not just designing for receptor activity—you’re designing for enzyme survival. Pharmacology isn’t just about hitting the receptor—it’s about surviving the enzymes first.

GPCR Store, and a spotlight on the cryo-EM structure of the sweet taste receptor.   Show off your receptor pride and support the mission. The official Dr. GPCR Store is live! A stunning cryo-EM structure of the sweet taste receptor (TAS1R2–TAS1R3) shows how aspartame and sucralose Biased signalling of Class B G protein-coupled receptor-targeted therapeutics .  

rational drug discovery campaign hinges on a deep understanding of how distinct molecules interact with receptors Furthermore, data on the role of specific residues within receptors can provide valuable insights for specific ligand interactions, such as those at the adenosine A 1  adenosine receptor (Nguyen et al., G-protein coupled receptors: models, mutagenesis, and drug design. Structure-based discovery of A2A adenosine receptor ligands.

András Tóth, László Hunyady, et al. for their work on G protein-coupled receptor endocytosis generates Laurent Prézeau, for their research on Heterodimers revolutionize the field of metabotropic glutamate receptors by PAF Heterodimers revolutionize the field of metabotropic glutamate receptors Molecular Basis of MC1R SUCNR1 G protein-coupled receptor endocytosis generates spatiotemporal bias in β-arrestin signaling may prevent pancreatic cancer and agonists of angiotensin II type 2 receptor may prevent colorectal

Adenine-derived scaffolds enabled selective adenosine receptor antagonists; tryptophan modifications led to somatostatin receptor ligands.  The molecule, not the receptor, becomes the guiding principle. Does it interact with the receptor in a way that biology can use? Core message: The receptor is only half the story. The molecule is the other half.

The C5a anaphylatoxin chemotactic receptor 1, also known as CD88, is part of the rhodopsin family of Interest in this receptor has surged recently due to its involvement in several inflammatory pathologies However, there is a notable lack of fluorescent probes available in the market for this receptor. Function, Structure and Therapeutic Potential of Complement C5a Receptors. Orthosteric and Allosteric Action of the C5a Receptor Antagonists.

G protein-coupled receptors (GPCRs) are integral to cellular signaling, influencing a wide array of physiological The researchers found that certain GPCRs, such as vasopressin receptors, were expressed in hematopoietic For instance, the expression of specific chemokine receptors in monocytes and macrophages indicates their The current study found that 133 of these receptors were also detected, highlighting the robustness of However, the study also noted discrepancies, with 26 receptors identified in the previous study not detected

Hodson’s work with a major scientific wave: The rise of incretin-based therapies, especially GLP-1 receptor Receptor localization, ligand access, and intracellular signaling can look different in actual tissues For real translational understanding, you need to see  the receptor in context. Emerging direction: Genetics + receptor-distribution mapping. The next breakthroughs will come not from new receptors , but new ways of engaging and combining the

In the case of fluorescent ligands , where a fluorescent tag is attached to a pharmacophore , the receptor This provides flexibility in labelling the GPCRs but may interfere with functional activity of the receptors If the experiment is done on live cells , tracking real-time receptor internalization becomes possible On the other hand, in fixed cells studies, it facilitates the structural context necessary to map receptor A Robust and Efficient FRET-Based Assay for Cannabinoid Receptor Ligands Discovery.

For a field that depends on understanding where receptors actually are — and how many are available at They could be engineered to target surface-exposed receptors, remain stable across batches, support live-cell Receptors internalize, traffic, recycle, and degrade. The work now stretches far beyond a single receptor. They’re also performing increasingly complex imaging experiments that capture receptor dynamics in intact

their research on Functional consequences of spatial, temporal and ligand bias of G protein-coupled receptors Fluorescent Probes and Applications in Single-Molecule Microscopy of Wild-Type Receptors Dr. Inverse Regulation of C-C Chemokine Receptor 3 Oligomerization by Downstream Proteins Indicates Biased Signal Transduction Pathways Activation of a GPCR, ORL1 receptor: A novel therapy to prevent heart failure Fluorescent Probes and Applications in Single-Molecule Microscopy of Wild-Type Receptors Structural

G protein-coupled receptors (GPCRs) are a vast family of membrane-bound proteins crucial for transmitting These receptors typically engage specific G protein subtypes, such as Gs, Gi/o, Gq/11, and G12/13, at Using BRET based approaches, the Gs-coupled vasopressin V2 receptor (V2R) was shown to form a stable Okashah, N., et al., Agonist-induced formation of unproductive receptor-G(12) complexes.  Stallaert, W., et al., Purinergic Receptor Transactivation by the β(2)-Adrenergic Receptor Increases

Jürgen Wess and Liu Liu for their study on A novel function of the M2 muscarinic receptor Drs. Zhan-Guo Gao, Mansour Haddad, and Kenneth A Jacobson for their work on A2B adenosine receptor signaling for breast cancer GPCR Activation and Signaling The TAS1R2 G-protein-coupled receptor is an ambient Kinetic Model for the Desensitization of G Protein-Coupled Receptor RNA-seq screening and gene function variants in the hypothalamic-pituitary-gonadal axis1 A novel function of the M2 muscarinic receptor

changes to clarify the molecular mechanisms governing ligand efficacy and potency at the β2 adrenergic receptor For example, orthosteric drug design —in which drugs bind to the receptor’s primary active site—can now be optimised by targeting specific ligand-receptor interactions to modify efficacy and potency. Allosteric modulators offer a promising approach for developing drugs that enhance or inhibit receptor Molecular basis of proton-sensing by G protein-coupled receptors. bioRxiv .

Azietaku , our great contributor, for his article Class B1 GPCR Dimerization: Unveiling Its Role in Receptor variant in RGS18 candidate for a familial mild bleeding syndrome Fusarium graminearum Ste2 and Ste3 Receptors Heterodimerization when Expressed Heterologously in Saccharomyces cerevisiae The beta 2 adrenergic receptor Neuronal Precursor Cells Derived from Patients Diagnosed with Schizophrenia Sphingosine 1-phosphate receptor the CaSR gene Reviews, GPCRs, and more Insight into structural properties of viral G protein-coupled receptors

Analysis of Frizzled-Dishevelled Interactions Using BRET Biosensors Reveals Functional Differences among Receptor Kogut-Günthel , Antonella Di Pizio , et al. for their research on The path to the G protein-coupled receptor disrupts circuit functionality and circuit formation Reviews, GPCRs, and more G Protein-Coupled Receptors in Skin Aging The path to the G protein-coupled receptor structural landscape: Major milestones and N-terminal single-nucleotide variants modulates receptor processing and functional activity Differential

Picture this: two compounds bind to the same receptor. One sparks a firestorm of cellular activity. Terry walks you through real-world experiments, decades of receptor pharmacology wisdom, and the cutting-edge

GPCR activation typically occurs through the binding of agonists which stabilize receptor conformations The initial demonstration of spontaneous or "constitutive" receptor activity was reported for the β2- adrenergic receptor in 1984 (Cerione et al. 1984), where reconstitution of purified β2-adrenergic receptors GPCR ligands pharmacology The impact of a ligand on a receptor's structure and biophysical attributes in their orthosteric binding sites, such as chemokine receptors.

Anderson, Sudarshan Rajagopal, Robert Lefkowitz, Howard Rockman for their review G Protein-Coupled Receptors interaction enables synergistic membrane-to-nucleus information transfer TMC6 functions as a GPCR-like receptor to sense noxious heat via Gαq signaling Exploring the Activation Mechanism of the GPR183 Receptor GPCR , Drugs, and more Target-based discovery of antagonists of the tick (Rhipicephalus microplus) kinin receptor proteins in rice (Oryza sativa) G Protein-Coupled Receptors: A Century of Research and Discovery Challenges

Adhesion GPCRs Adhesion G Protein-Coupled Receptor Gpr126 (Adgrg6) Expression Profiling in Diseased Mouse 2 Inverse Agonists Development of Putative Bivalent Dicovalent Ligands for the Adenosine A1 Receptor in intestinal stem cells to exacerbate colitis The EBI2 receptor is coexpressed with CCR5 in CD4+ T Molecular Insights into GPCR Function Bilayer lipids modulate ligand binding to atypical chemokine receptor  3 Industry News New cannabinoid CB1 receptor antagonists disclosed in Inversago patent Orion Biotechnology

University of Michigan, walks us through how positive allosteric modulators (PAMs) targeting the mu-opioid receptor That’s huge.” – Ben Clements By combining chronic pain models with receptor-level pharmacology, Ben University today. _______________ Keyword Cloud: GPCR research community, GPCR drug discovery, mu-opioid receptor

basolateral membrane and regulates epithelial apicobasal polarity "The adhesion family of G protein-coupled receptors GPCRs) is defined by an N-terminal large extracellular region that contains various adhesion-related domains before a canonical seven-transmembrane domain. These receptors are expressed widely and involved in various functions including development, angiogenesis stage of receptor biosynthesis.

including G protein coupled receptors (GPCRs). This phenomenon has been demonstrated for receptors such as the parathyroid hormone receptor (PTHR) and the vasopressin receptor 2 (V2R). Sustained cyclic AMP production by parathyroid hormone receptor endocytosis. Persistent cAMP Signaling by Internalized LH Receptors in Ovarian Follicles.

G protein-coupled receptors (GPCRs) are major drug targets, yet their complex and dynamic structures For the σ2 receptor, AF2 predicted side-chain conformations with an RMSD of 1.1 Å from the crystal structure Docking 490 million molecules against the σ2 receptor's AF2 model yielded a 54% hit rate, comparable Functional activity of selected compounds was assessed across 5-HT2A, 5-HT2B, and 5-HT2C receptors, with selectivity and high potency, some with sub-nanomolar EC50 values, indicating strong and selective receptor

Watch Episode 170 What We’re Missing in Pain Research In GPCR drug discovery, receptors typically steal These findings suggest a path forward that isn’t about blocking a single receptor but about rewiring emerged as the core mediator  — demonstrating the reach of these signaling pathways beyond classical receptor

Enhanced Drug Discovery Cam Sinh Lu GPCR-BSD: a database of binding sites of human G-protein coupled receptors partner on GPCRs Nxera Pharma’s Partner Centessa Initiates Phase 2 Trial with ORX750, a Novel Orexin Receptor Chemistry GPCR Activation and Signaling Pathophysiological significance and modulation of the transient receptor canonical 3 ion channel Smad transcription factors as mediators of 7 transmembrane G protein-coupled receptor signalling The voltage sensitivity of G-protein coupled receptors: Unraveling molecular mechanisms and

and Graeme Milligan for their research on the Regulation of the pro-inflammatory G protein-coupled receptor Alejandra Tomas, et al. for their study on Lipid regulation of the glucagon receptor family Drs. is involved in the resistance of Rhopalosiphum padi to pyrethroids Discovering allatostatin type-C receptor brainstem parabrachial neurons to suppress feeding The C-terminus of the prototypical M2 muscarinic receptor family Technologies for the discovery of G protein-coupled receptor-targeting biologics Lipid mediators

(ORs): μ-opioid receptor (MOR), κ-opioid receptor (KOR), δ-opioid receptor (DOR) which are expressed Opioid receptors belong to class A of G protein-coupled receptors or GPCRs and signaled mainly through Morphine is an agonist of Mu opioid receptor (MOPR) and one of the objectives in the development of new A brief history of opiates, opioid peptides, and opioid receptors. Opioid Receptor-Mediated Regulation of Neurotransmission in the Brain.