Product Details

Purity

Greater than 90% as determined by SDS-PAGE.

Target Names

GLP1R

Uniprot No.

P43220

Research Area

Neuroscience

Alternative Names

GLP1R; Glucagon-like peptide 1 receptor; GLP-1 receptor; GLP-1-R; GLP-1R

Species

Homo sapiens (Human)

Source

Mammalian cell

Expression Region

24-145aa

Target Protein Sequence

RPQGATVSLWETVQKWREYRRQCQRSLTEDPPPATDLFCNRTFDEYACWPDGEPGSFVNVSCPWYLPWASSVPQGHVYRFCTAEGLWLQKDNSSLPWRDLSECEESKRGERSSPEEQLLFLY
Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.

Mol. Weight

18.3kDa

Protein Length

Partial

Tag Info

N-terminal 6xHis-tagged

Form

Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.

Buffer

If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.

Reconstitution

We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.

Troubleshooting and FAQs

Protein FAQs

Storage Condition

Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.

Shelf Life

The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.

Lead Time

3-7 business days

Notes

Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Datasheet & COA

Please contact us to get it.

Description

The fusion tag N-terminal 6xHis tag gene was added to the gene sequence corresponding to the mammalian cell of the human GLP1R protein to form the recombinant DNA. The recombinant DNA was cloned into the expression vector and then transfected into the mammalian cell for expression. Following purification, the product is the recombinant human GLP1R protein carrying N-terminal 6xHis tag. The SDS-PAGE assessed the purity of this recombinant GLP1R protein up to 90%. It had an apparent molecular weight of approximately 18 kDa. This recombinant GLP1R protein may find use in neuroscience research.

GLP1R is a gene presented on chromosome 6 providing instructions for making a protein called glucagon-like peptide 1 receptor in human and belongs to G-protein coupled receptor 2 family. GLP1R is a receptor protein expressed in beta cells of the pancreas and neurons of the brain. It is involved in the control of blood sugar level by enhancing insulin secretion. Studies have reported that GLP1R is a significant therapeutic target for small molecule drug discovery given the therapeutic impact of peptide agonists in the diabetes sphere.

Target Background

Function

G-protein coupled receptor for glucagon-like peptide 1 (GLP-1). Ligand binding triggers activation of a signaling cascade that leads to the activation of adenylyl cyclase and increased intracellular cAMP levels. Plays a role in regulating insulin secretion in response to GLP-1.

Gene References into Functions

review studies that have focused on GLP-1 and the spinal cord, and summarize the expression of GLP-1R and the innervation of PPG neurons in the spinal cord, as well as the potential therapeutic benefits of GLP-1R activation. PMID: 29329976
The study provides evidence that the insulinotropic action of zfGIP in mammalian systems involves activation of both the GLP-1 and the GIP receptors but not the glucagon receptor PMID: 29157578
Clinical studies in non-diabetic patients with neurodegenerative disorders showed neuroprotective effects following administration with GLP-1 receptor agonists, demonstrating that neuroprotective effects are independent of blood glucose levels. PMID: 29412810
Some GLP-1 receptor agonist (GLP-1RA) have been approved for the treatment of type 2 diabetes mellitus(T2DM) and although clinical trials may not have been designed to investigate bone fracture, first results suggest that GLP-1RA may not exacerbate abnormal bone quality observed in T2DM PMID: 29412811
Here, we discuss recent findings concerning the signalling and trafficking of the GLP-1R in pancreatic beta cells. Leveraging "bias" at the receptor towards cAMP generation versus the recruitment of beta-arrestins and extracellular signal-regulated kinases (ERK1/2) activation may allow the development of new analogues with significantly improved clinical efficacy. PMID: 29412835
This may represent a potential mechanism for GLP-1R agonist-induced cardioprotection in type 2 diabetes , as increases in fatty acid oxidation and decreases in glucose oxidation are frequently observed in the hearts of animals and human subjects with T2D. PMID: 29412838
In type 2 diabetic patients from a Han Chinese population, some variations in the GLP-1R gene were associated with a lower risk of developing coronary artery disease. PMID: 30271789
Activation of endogenous GLP-1 is associated with sepsis in patients with type 2 diabetes. PMID: 29334697
increased GLP-1R innervation in IBD bowel could mediate enhanced visceral afferent signalling, and provide a peripheral target for therapeutic intervention PMID: 29813107
GLP1R mRNA transcripts, encompassing the entire open reading frame, were detected in all four cardiac chambers from 15 hearts at levels approximating those detected in human pancreas. PMID: 29444223
Low active GLP-1 secretion is associated with hypertriglyceridaemia. PMID: 29135069
this study, we investigated whether glucagon and glucagon-like peptide-1 (GLP-1), hormones produced by alpha cells, contribute to insulin secretion in INS-1 cells, a beta cell line. Co-treatment with glucagon and exendin-4 (Ex-4), a GLP-1 receptor agonist, additively increased glucose-stimulated insulin secretion in INS-1 cells PMID: 29725251
genetic association studies in population in Republic of Korea: Data suggest that SNPs in PAX4 and GLP1R are associated with type 2 diabetes (T2D) in the population studied. In genome-wide associations, PAX4 Arg192His increased risk of T2D; GLP1R Arg131Gln decreased risk of T2D. (PAX4 = paired box 4 protein; GLP1R = glucagon-like peptide 1 receptor) PMID: 29941447
LINC01121 functions as a tumor promoter by means of its involvement in the process of translational repression of the GLP1R and inhibition of the cAMP/PKA signaling pathway. PMID: 29843149
cryo-EM structure of the human GLP-1 receptor in complex with the G protein-biased peptide exendin-P5 and a Galphas heterotrimer, determined at a global resolution of 3.3 A PMID: 29466332
The results demonstrate the exendin-4 induces a partial reduction in triglycerides in steatotic hepatocytes within 12 h via the GLP-1 receptor-mediated activation of protein kinase A. Thus, the reduction in hepatocyte triglyceride accumulation is likely driven primarily by downregulation of lipogenesis and upregulation of beta-oxidation of free fatty acids PMID: 28707223
Data (including data from studies in knockout mice) suggest that MIR204 (which is highly enriched in beta-cells) directly targets 3'-untranslated region of GLP1R and thereby down-regulates expression of GLP1R in beta-cells. Studies were also conducted in primary human and mouse beta-cells and in rat insulinoma cell line. PMID: 29101219
Data suggest that GLP1R signaling in pancreatic beta-cells leading to insulin secretion involves interactions of GLP1R with HIP1, SNX1, and SNX27; HIP1 appears to regulate coupling of cell surface GLP1R activation with endocytosis; SNX1 and SNX27 appear to control balance between GLP1R plasma membrane recycling and lysosomal degradation. PMID: 29284659
The GLP-1R was abundantly expressed in numerous regions, including the septal nucleus, hypothalamus, and brain stem. PMID: 29095968
This is the first time that human Epicardial adipose tissue is found to express both GLP-1R and GLP-2R genes. PMID: 28514806
Changes in GLP-1 levels are associated with weight loss in newly diagnosed Chinese diabetes patients receiving acarbose PMID: 27717194
the present study revealed that overexpression of GLP1R significantly reduces proliferation, migration and cytokine release in ASM cells from COPD patients; this involved a significant increase in ABCA1 expression levels. This provided evidence to suggest that GLP1R may be a potential therapeutic target for the treatment of COPD. PMID: 28560433
IL-33, GLP-1R, and CCL20 are deregulated in human inflammatory bowel disease. GLP-1 receptor agonists upregulate IL-33, mucin 5b, and CCL20 in murine Brunner's glands. GLP-1 receptor agonists affect gut homeostasis in both proximal and distal parts of the gut. PMID: 27542128
Data show that exendin-4 (Ex-4) could attenuate breast cancer cell proliferation via activation of glucagonlike peptide-1 (GLP-1) receptor (GLP-1R) and subsequent inhibition of nuclear factor kappaB (NF-kappaB ) activation. PMID: 29045658
crystal structure of the full-length GLP-1 receptor bound to a truncated peptide agonist PMID: 28562585
crystal structures of the human GLP-1R transmembrane domain in complex with two different negative allosteric modulators, PF-06372222 and NNC0640, at 2.7 and 3.0 A resolution, respectively PMID: 28514449
Data suggest that pancreatic level of GLP1R is highest in insulin-secreting cells; here, highest intensity of GLP1R immunostaining was observed in beta-cells in pancreatic tissues obtained from organ-donor cadavers with type 2 diabetes. PMID: 28094469
Data show that purified glucagon-like peptide-1 (GLP-1) receptor (GLP1R)GLP1R in nanodiscs that could bind to GLP-1 and exendin-4 and activate Gs protein. PMID: 28609478
Dapagliflozin, when added in real life to patients with T2DM treated with GLP1-R agonists, induced a further significant, albeit modest improvement in A1C and a further weight loss. PMID: 28077257
analysis of the biological binding site of exendin-4 peptide in the N-terminal domain of the intact human glucagon-like peptide-1 receptor PMID: 28283573
GLP1-R may represent a novel target for treating bronchial hyperresponsiveness. PMID: 27447052
Our studies show that GLP-1R is widely expressed throughout the human hypothalamus. The decreased expression of GLP-1R in the PVN and IFN of T2DM patients may be related to the dysregulation of feeding behavior and glucose homeostasis in type 2 diabetes mellitus. PMID: 26672638
In conclusion, exenatide significantly improves coronary endothelial function in patients with newly diagnosed type 2 diabetes. The effect may be mediated through activation of AMPK/PI3K-Akt/eNOS pathway via a GLP-1R/cAMP-dependent mechanism. PMID: 27072494
A higher likelihood of attaining A1c goal levels were observed when a GLP-1R agonists was initiated. PMID: 28230449
Immunohistochemistry of human ileum tissues was performed in this study, which showed that TAS2R38 was co-localized with glucagon-like peptide 1 (GLP-1) in enteroendocrine L-cells. PMID: 27208775
Data suggest that three conserved positively charged residues located at extracellular ends of transmembrane helices 3, 4 and 5 of GLP1R are essential for high affinity agonist binding and conformational transitions linked to pleiotropic effector coupling through stabilisation of extracellular domains. PMID: 27569426
The rate of homologous desensitization and internalization of the GLP-1R has been determined in a transgenic cell line system. PMID: 28035964
In glucagon-like peptide receptor (GLP-1R) expressing cells, small molecule agonists induced cAMP production but caused no intracellular Ca2+ accumulation, ERK phosphorylation or hGLP-1R internalisation. PMID: 27100083
We aimed to investigate whether genetic variations in glucagon-like peptide receptor are associated with responses to dipepdityl peptidase-4 inhibitors in patients with type 2 diabetes. Polymorphism in the GLP-1 receptor may influence DPP-4 inhibitor response. PMID: 27858848
Results suggest that pancreatic ductal adenocarcinoma (PDAC) cells or their precursor lesions do not overexpress glucagon-like peptide-1 receptor (GLP-1R) compared with non-neoplastic pancreatic cells. PMID: 26495786
The molecular dynamics simulations of wild-type and mutant GLP-1R.ligand complexes provided molecular insights into GLP-1R-specific recognition mechanisms for the N terminus of GLP-1 by residues in the 7TM pocket and explained how glucagon-mimicking GLP-1 mutants restored binding affinity for (glucagon receptor -mimicking) GLP-1R mutants. PMID: 27059958
NMR-determined structure of a high-potency cyclic conformationally-constrained 11-residue analogue of GLP-1 was also docked into the receptor-binding site. PMID: 26598711
Lack of association of rs6923761 GLP-1 R polymorphism with weight loss. PMID: 26015316
An association was found between the rs6923761 GLP-1 receptor polymorphism and basal GLP-1 levels in diabetes mellitus type 2 patients. PMID: 25200998
although GLP-1R is not an independent prognostic factor in PDAC patients, it appears to have some implications for pancreatic ductal adenocarcinoma metastatic ability PMID: 26238361
Retinal GLP1R expression was similar in patients with diabetes and healthy controls. PMID: 26384381
reduced level in renal arteries of hypertensive patients PMID: 25915883
these findings demonstrate the hGLP-1R has distinct regions within the C-terminal domain required for its cell surface expression, activity and agonist-induced internalisation. PMID: 26116235
GLP-1R rs10305420 polymorphism explained some of the inter-individual differences in response to liraglutide regarding weight loss in obese PCOS women. PMID: 25991051
168Ser (rs6923761) was nominally associated with alcohol use disorder. The 168 Ser/Ser genotype was associated with increased alcohol administration, and with higher BOLD response in the right globus pallidus. PMID: 26080318

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Subcellular Location

Cell membrane; Multi-pass membrane protein.

Protein Families

G-protein coupled receptor 2 family

Database Links

HGNC: 4324

OMIM: 138032

KEGG: hsa:2740

STRING: 9606.ENSP00000362353

UniGene: Hs.351883

Code	CSB-MP009514HU
Abbreviation	Recombinant Human GLP1R protein, partial
MSDS	MSDS Datasheet
Size	$138
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Image	(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Recombinant Human Glucagon-like peptide 1 receptor (GLP1R), partial

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