G Protein Coupled Receptors (GPCRs) perceive many extracellular signals and transduce them to heterotrimeric G proteins, which further transduce these signals intracellular to appropriate downstream effectors and thereby play an important role in various signaling pathways. G proteins are specialized proteins with the ability to bind the nucleotides guanosine triphosphate (GTP) and guanosine diphosphate (GDP). In unstimulated cells, the state of G alpha is defined by its interaction with GDP, G beta-gamma, and a GPCR. Upon receptor stimulation by a ligand, G alpha dissociates from the receptor and G beta-gamma, and GTP is exchanged for the bound GDP, which leads to G alpha activation. G alpha then goes on to activate other molecules in the cell. These effects include activating the MAPK and PI3K pathways, as well as inhibition of the Na+/H+ exchanger in the plasma membrane, and the lowering of intracellular Ca2+ levels.

Most human GPCRs can be grouped into five main families named; Glutamate, Rhodopsin, Adhesion, Frizzled/Taste2, and Secretin, forming the GRAFS classification system.

A series of studies showed that aberrant GPCR Signaling including those for GPCR-PCa, PSGR2, CaSR, GPR30, and GPR39 are associated with tumorigenesis or metastasis, thus interfering with these receptors and their downstream targets might provide an opportunity for the development of new strategies for cancer diagnosis, prevention and treatment. At present, modulators of GPCRs form a key area for the pharmaceutical industry, representing approximately 27% of all FDA-approved drugs.

References:
[1] Moreira IS. Biochim Biophys Acta. 2014 Jan;1840(1):16-33.
[2] Tuteja N. Plant Signal Behav. 2009 Oct;4(10):942-7.
[3] Williams C, et al. Methods Mol Biol. 2009;552:39-50.
[4] Schiöth HB, et al. Gen Comp Endocrinol. 2005 May 15;142(1-2):94-101.
[5] Wu J, et al. Cancer Genomics Proteomics. 2012 Jan;9(1):37-50.


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KRAS G12C inhibitor 43

KRAS G12C inhibitor 43 (compound 59) is a potent KRAS G12C inhibitor. KRAS G12C inhibitor 43 shows antimigration and anti-proliferative activity with IC50s of 0.001-1 µM, >1 µM, >1 µM for H358, A549, HCC cells ,respectively[1].

  • CAS Number: 2648808-69-7
  • MF: C33H35N7O3
  • MW: 577.68
  • Catalog: Ras
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Taranabant (1R,2R) stereoisomer

Taranabant (1R,2R)stereoisomer is the R-enantiomer of Taranabant. Taranabant is a highly potent and selective cannabinoid 1 (CB1) receptor inverse agonist.

  • CAS Number: 701977-08-4
  • MF: C27H25ClF3N3O2
  • MW: 515.955
  • Catalog: Cannabinoid Receptor
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 634.2±55.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 337.4±31.5 °C

LY278584

LY 278584 is a potent, highly selective 5-HT3 receptor antagonist with a Ki of 1.62 nM. LY 278584 has no activity on 5-HT1A, 5-HT1B, 5-HT1C, 5-HT1D, or 5-HT2 receptors[1].

  • CAS Number: 119193-37-2
  • MF: C17H22N4O
  • MW: 298.38
  • Catalog: 5-HT Receptor
  • Density: 1.36g/cm3
  • Boiling Point: 522.1ºC at 760mmHg
  • Melting Point: N/A
  • Flash Point: 269.6ºC

SC 34301

SC 34301 (Enisoprost) is a potent and orally active PGE1 analog. SC 34301 significantly reduces bacterial translocation and improves survival for burned mice[1][2].

  • CAS Number: 81026-63-3
  • MF: C22H36O5
  • MW: 380.51800
  • Catalog: Prostaglandin Receptor
  • Density: 1.092g/cm3
  • Boiling Point: 490.2ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 158.2ºC

RQIKIWFQNRRMKWKK

DT-3 is a membrane-permeable protein kinase G Iα inhibitory peptide. DT-3 is a guanylyl cyclase? inhibitor and shows pharmacological blockade of the cGMP–PKG signalling[1].

  • CAS Number: 329306-46-9
  • MF: C104H168N34O20S
  • MW:
  • Catalog: Guanylate Cyclase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ondansetron-d3

Ondansetron-d3 is the deuterium labeled Ondansetron[1]. Ondansetron(GR 38032;SN 307) is a serotonin 5-HT3 receptor antagonist used mainly as anantiemetic (to treat nausea and vomiting), often following chemotherapy[2].

  • CAS Number: 1132757-82-4
  • MF: C18H16D3N3O
  • MW: 296.38100
  • Catalog: 5-HT Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Glucocorticoid receptor agonist-1-Gly-Gly-Glu-Gly-Br

Glucocorticoid receptor agonist-1-Gly-Gly-Glu-Gly-Br is a steroid-Linker conjugate used for the synthesis of immunoconjugates linked to proteins[1].

  • CAS Number: 2913234-81-6
  • MF: C48H57BrN4O13
  • MW: 977.89
  • Catalog: Glucocorticoid Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

tromethamine

Dinoprost(Prostaglandin F2α) is a naturally occurring prostaglandin used in medicine to induce labor and as an abortifacient.

  • CAS Number: 551-11-1
  • MF: C20H34O5
  • MW: 354.481
  • Catalog: Prostaglandin Receptor
  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 531.0±50.0 °C at 760 mmHg
  • Melting Point: 120°C
  • Flash Point: 289.0±26.6 °C

A 841720

A-841720 is a potent, non-competitive and selective mGlu1 receptor antagonist with an IC50 of 10 nM for human mGlu1 receptor. A-841720 displays 34-fold selectivity over mGlu5 (IC50 of 342 nM), and no significant activity at a range of other neurotransmitter receptors, ion channels, and transporters. A-841720 has the potential for chronic pain research[1][2].

  • CAS Number: 869802-58-4
  • MF: C17H21N5OS
  • MW: 343.44700
  • Catalog: mGluR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

A6770

A6770 is an orally active, potent sphingosine 1-phosphate (S1P) lyase (S1PL) inhibitor. A6770 is phosphorylated and the phosphorylated form directly inhibits S1P lyased.A6770, a potential key metabolite of THI, induces a [3H]dhS1P increase[1][2].

  • CAS Number: 1331754-16-5
  • MF: C6H8N2O2
  • MW: 140.140
  • Catalog: LPL Receptor
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 384.1±34.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 186.1±25.7 °C

Tedatioxetine (hydrobromide)

Tedatioxetine hydrobromide acts as a triple reuptake inhibitor and 5-HT2A, 5-HT2C, 5-HT3 and α1A-adrenergic receptor antagonist.

  • CAS Number: 960151-65-9
  • MF: C18H22BrNS
  • MW: 364.34300
  • Catalog: 5-HT Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

VU0029251

VU0029251 is a mGluR5 partial antagonist (Ki: 1.07 μM). VU0029251 inhibits glutamate induced calcium mobilization in HEK293 cell membranes expressing rat mGluR5 (IC50: 1.7 μM)[1].

  • CAS Number: 330819-85-7
  • MF: C10H11N3S2
  • MW: 237.344
  • Catalog: mGluR
  • Density: 1.5±0.1 g/cm3
  • Boiling Point: 501.7±60.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 257.2±32.9 °C

Rimonabant-d10 hydrochloride

Rimonabant-d10 (SR 141716A-d10) hydrochloride is the deuterium labeled Rimonabant hydrochloride. Rimonabant hydrochloride (SR 141716A hydrochloride) is a highly potent and selective central cannabinoid receptor (CB1) antagonist with an Ki of 1.8 nM. Rimonabant hHydrochloride (SR 141716A Hydrochloride) also inhibits Mycobacterial membrane protein Large 3 (MMPL3)[1][2].

  • CAS Number: 1044909-61-6
  • MF: C22H12D10Cl4N4O
  • MW: 510.31
  • Catalog: Bacterial
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

KRAS G12C inhibitor 15

KRAS G12C inhibitor 15 is a potent KRAS G12C inhibitor extracted from patent WO2019110751A1, compound 22, has an IC50 of 5 nM[1].

  • CAS Number: 2349393-21-9
  • MF: C25H21ClF2N4O3
  • MW: 498.91
  • Catalog: Ras
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tyr-α-CGRP (23-37) (mouse, rat)

[Tyr22] Calcitonin Gene Related Peptide, (22-37), rat is a fragments 22-37 of rat calcitonin gene related peptide (CGRP), targeting CGRP receptor and adenylate cyclase. Calcitonin is mainly produced by thyroid C cells while CGRP is secreted and stored in the nervous system[1].

  • CAS Number: 198277-54-2
  • MF: C82H120N20O25
  • MW: 1785.95000
  • Catalog: Adenylate Cyclase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tasosartan

Tasosartan is a long-acting angiotensin II (AngII) receptor antagonist.

  • CAS Number: 145733-36-4
  • MF: C23H21N7O
  • MW: 411.459
  • Catalog: Angiotensin Receptor
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 759.4±70.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 413.1±35.7 °C

β-Casomorphin, bovine

β-casomorphin, bovine (β-casomorphin-7) is a opioid peptide with an IC50 of 14 μM in an Opioid receptors binding assay.

  • CAS Number: 72122-62-4
  • MF: C41H55N7O9
  • MW: 789.91700
  • Catalog: Peptides
  • Density: 1.32g/cm3
  • Boiling Point: 1170.5ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 661.7ºC

SORT-PGRN interaction inhibitor 3

SORT-PGRN interaction inhibitor 3 (Compound 13) is a SORT-PGRN interaction inhibitor (IC50: 0.17 μM). SORT-PGRN interaction inhibitor 3 can be used for research of neurodegenerative diseases[1].

  • CAS Number: 2691846-87-2
  • MF: C15H19Cl2NO3
  • MW: 332.22
  • Catalog: Neurotensin Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Afacifenacin

Afacifenacin (SMP-986) is a potent and orally active muscarinic receptor antagonist. Afacifenacin inhibits the bladder afferent pathway through the sodium-channel blockade, increasing volume, and reducing the frequency of urination and incontinence. Afacifenacin has the potential for the research of overactive bladder (OAB)[1][2].

  • CAS Number: 877606-63-8
  • MF: C27H26F3N3O2
  • MW: 481.50900
  • Catalog: mAChR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

IB-MECA

Piclidenoson (IB-MECA) is an agonist of the adenosine A3 receptor with EC50 values of 0.11 μM. IC50 value: 0.11 μM (EC50) [3]Target: adenosine A3 receptorin vitro: Piclidenoson has been shown to play important roles in cell proliferation and apoptosis in a variety of cancer cell lines. ThePiclidenoson was capable of decreasing intracellular cyclic adenosine monophosphate (cAMP) that was the reason for the presence of functional A3 adenosine receptor on the cell lines. Piclidenoson significantly reduced cell viability in a dose-dependent manner. Piclidenoson, an A3AR agonist, inhibits the growth of different cancer cell types like melanoma, colon, breast, leukemia, and prostatePiclidenoson was able to inhibit forskolin-stimulated cAMP levels with an EC50 value of 0.82 μM in OVCAR-3 cells. Piclidenoson was able to inhibit forskolin-stimulated cAMP levels with an EC50 value of 1.2 μM in Caov-4 cells.in vivo: Administrations of single intraperitoneal doses of either Piclidenoson 0.5 h post-irradiation resulted in statistically significant increases of MST in comparison with the control irradiated mice.[2]

  • CAS Number: 152918-18-8
  • MF: C18H19IN6O4
  • MW: 510.286
  • Catalog: Adenosine Receptor
  • Density: 2.0±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Bepotastine Besilate

Bepotastine Beslilate (Bepreve) is a histamine H1 receptor anatagonist. IC50 value:Target: Histamine H1 receptorBepotastine Beslilate (Bepreve) also suppresses some allergic inflammatory processes such as allergic rhinitis, chronic urticaria or pruritus associated with skin conditions (eczema/dermatitis, prurigo or pruritus cutaneus).Bepotastine Beslilate (Bepreve) is useful for allergic conjunctivitis.

  • CAS Number: 190786-44-8
  • MF: C27H31ClN2O6S
  • MW: 547.063
  • Catalog: Histamine Receptor
  • Density: N/A
  • Boiling Point: 546.8ºC at 760 mmHg
  • Melting Point: 161-163°
  • Flash Point: 284.5ºC

CISAPRIDEMONOHYDRATE

Cisapride monohydrate is an orally and potent 5-HT4 receptor agonist and hERG inhibitor. Cisapride monohydrate is an prokinetic agent which facilitates or restores motility throughout the length of the gastrointestinal tract. Cisapride monohydrate stimulates gastrointestinal motor activity through an indirect mechanism involving the release of acetylcholine mediated by postganglionic nerve endings in the myenteric plexus of the gut[1][2].

  • CAS Number: 260779-88-2
  • MF: C23H31ClFN3O5
  • MW: 483.96
  • Catalog: 5-HT Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Brexpiprazole S-oxide

Brexpiprazole S-oxide (DM-3411) is a main metabolite of Brexpiprazole and is metabolized by cytochrome P450 3A4 (CYP3A4). Brexpiprazole is an atypical antipsychotic agent and a partial agonist of human 5-HT1A and dopamine receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM[1][2][3].

  • CAS Number: 1191900-51-2
  • MF: C25H27N3O3S
  • MW: 449.565
  • Catalog: 5-HT Receptor
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tizanidine-d4 (hydrochloride)

Tizanidine-d4 (hydrochloride) is deuterium labeled Tizanidine (hydrochloride).

  • CAS Number: 1188263-51-5
  • MF: C9H5D4Cl2N5S
  • MW: 294.20
  • Catalog: Adrenergic Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Glycidyl PalMitoleate

UCM710 is an endocannabinoid (eCB) hydrolysis inhibitor that increases the levels of N-arachidonoyl ethanolamine and 2-arachidonoylglycerol in neurons. UCM710 inhibits fatty acid amide hydrolase and α/β-hydrolase domain 6, but not monoacylglycerol lipase[1].

  • CAS Number: 213738-77-3
  • MF: C19H34O3
  • MW: 310.47
  • Catalog: Cannabinoid Receptor
  • Density: 1.0±0.1 g/cm3
  • Boiling Point: 402.3±28.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 154.4±8.9 °C

fenspiride hydrochloride

Fenspiride Hcl is an α adrenergic and H1 histamine receptor antagonist.IC50 value:Target: Adrenergic receptor; H1 receptorFenspiride hydrochloride is a bronchodilator with anti-inflammatory properties. Fenspiride hydrochloride inhibits mucus secretion and reduces the release of tachykinins at a prejunctional level. Fenspiride hydrochloride also may be an antagonist at α adrenergic and H1 histamine receptors.

  • CAS Number: 5053-08-7
  • MF: C15H21ClN2O2
  • MW: 296.79200
  • Catalog: Adrenergic Receptor
  • Density: 1.19g/cm3
  • Boiling Point: 474.3ºC at 760mmHg
  • Melting Point: 235-238ºC (dec.)
  • Flash Point: 240.6ºC

(N-Me-Tyr1,N-Me-Arg7,D-Leu-NHEt8)-Dynorphin A (1-8) trifluoroacetate salt

(N-Me-Tyr1,N-Me-Arg7,D-Leu-NHEt8)-Dynorphin A (1-8) (E-2078), a stable Dynorphin A (1–8) (HY-P2159) analog, is a kappa opioid receptor (KOR) agonist[1].

  • CAS Number: 103613-84-9
  • MF: C50H81N15O9
  • MW: 1036.273
  • Catalog: Opioid Receptor
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

RX 821002 hydrochloride

2-Methoxyidazoxan monohydrochloride (RX821002 hydrochloride) is a highly selective alpha 2-adrenoceptor antagonist with little or no imidazoline antagonist effect. RX 821002 has markedly higher affinity for (guinea-pig) alpha 2D-adrenoceptors (pKd 9.7) than for (rabbit) alpha 2A-adrenoceptors (pKd 8.2)[1][2].

  • CAS Number: 109544-45-8
  • MF: C12H15ClN2O3
  • MW: 270.71200
  • Catalog: Adrenergic Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Terfenadine-d3

Terfenadine-d3 ((±)-Terfenadine-d3) is the deuterium labeled Terfenadine. Terfenadine ((±)-Terfenadine) is a potent open-channel blocker of hERG with an IC50 of 204 nM[1]. Terfenadine, an H1 histamine receptor antagonist, acts as a potent apoptosis inducer in melanoma cells through modulation of Ca2+ homeostasis. Terfenadine induces ROS-dependent apoptosis, simultaneously activates Caspase-4, -2, -9[2].

  • CAS Number: 192584-82-0
  • MF: C32H38D3NO2
  • MW: 474.69
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

BI 167107

BI-167107 is a high affinity, full agonist that binds to the β2 adrenergic receptor (β2AR) with a dissociation constant Kd of 84 pM[1].

  • CAS Number: 1202235-68-4
  • MF: C21H26N2O4
  • MW: 370.44
  • Catalog: Adrenergic Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A