Recombinant Human G-protein coupled receptor 4 (GPR4)

Code CSB-CF009813HU
MSDS
Size Pls inquire
Source in vitro E.coli expression system
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Product Details

Target Names
GPR4
Uniprot No.
Alternative Names
GPR4; G-protein coupled receptor 4; G-protein coupled receptor 6C.l; GPR6C.l
Species
Homo sapiens (Human)
Expression Region
1-362
Target Protein Sequence
MGNHTWEGCHVDSRVDHLFPPSLYIFVIGVGLPTNCLALWAAYRQVQQRNELGVYLMNLS IADLLYICTLPLWVDYFLHHDNWIHGPGSCKLFGFIFYTNIYISIAFLCCISVDRYLAVA HPLRFARLRRVKTAVAVSSVVWATELGANSAPLFHDELFRDRYNHTFCFEKFPMEGWVAW MNLYRVFVGFLFPWALMLLSYRGILRAVRGSVSTERQEKAKIKRLALSLIAIVLVCFAPY HVLLLSRSAIYLGRPWDCGFEERVFSAYHSSLAFTSLNCVADPILYCLVNEGARSDVAKA LHNLLRFLASDKPQEMANASLTLETPLTSKRNSTAKAMTGSWAATPPSQGDQVQLKMLPP AQ
Protein Length
Full length protein
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form
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 before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
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℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and 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
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet
Please contact us to get it.

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Target Background

Function
Proton-sensing G-protein coupled receptor couples to multiple intracellular signaling pathways, including GNAS/cAMP, GNAQ/phospholipase C (PLC), and GNA12/GNA13/Rho pathways. Acidosis-induced GPR4 activation increases paracellular gap formation and permeability of vascular endothelial cells through the GNA12/GNA13/Rho GTPase signaling pathway. In the brain may mediate central respiratory sensitivity to CO(2)H(+).
Gene References into Functions
  1. Proton-sensing GPR4 signaling mediated the proton-induced inhibitory effects on the osteogenesis of BMSCs. YAP was the downstream effector of GPR4 signaling. Extracellular pH modulates the osteogenic responses of BMSCs by regulating the proton-sensing GPR4-YAP pathway. PMID: 27256071
  2. These results suggest that zOGR1, but not GPR4, is also a metal-sensing G-protein-coupled receptor in addition to a proton-sensing G-protein-coupled receptor, although not all metals that activate hOGR1 activated zOGR1. PMID: 28270026
  3. GPR4 blockade attenuated renal injury after IR and reduced the cell apoptosis through the suppression of CHOP expression. PMID: 29089376
  4. acidosis/GPR4-induced endoplasmic reticulum stress pathways in endothelial cells may regulate vascular growth and inflammatory response in the acidic microenvironment. PMID: 28134810
  5. it was demonstrated that GPR4 affects ECs by regulating Notch1, a function that may be important for physiological and pathological angiogenesis. PMID: 27279286
  6. GPR4 induces angiogenesis via GPR4-induced p38-mediated IL6, IL8 and VEGFA secretion at acidic extracellular pH in squamous cell carcinoma of the head and neck PMID: 27078157
  7. The results suggested that GPR4 may play an important role in the development of epithelial ovarian carcinoma (EOC), and its overexpression might be required for the angiogenesis, tumor growth, and metastasis of EOC PMID: 23888957
  8. acidosis/GPR4 signaling regulates endothelial cell adhesion mainly through the G(s)/cAMP/Epac pathway PMID: 22110680
  9. The mutation of histidine residue at 79, 165, or 269 from the N-terminal of GPR4 to phenylalanine shifted the half-maximal effective concentration (EC(50)) of proton-induced signaling activities to the right, including cAMP accumulation. PMID: 20211729
  10. Endogenous GPR4 in endothelial cells may be a potential G protein-coupled receptor by which LPC signals proinflammatory activities. PMID: 12805023
  11. GPR4, a close relative of OGR1, also responds to pH changes, but elicits cyclic AMP formation PMID: 12955148
  12. sphingosylphosphorylcholine and lysophosphatidic acid are not the ligands for GPR4 and that this receptor may constitutively inhibit ERK1/2 activation PMID: 14567679
  13. GPR4 and TDAG8 overexpression in human tumors plays a role in driving or maintaining tumor formation PMID: 15221007
  14. results identify sphingosylphosphorylcholine and its receptor, G protein-coupled receptor 4(GPR4), as critical regulators of the angiogenic potential of endothelial cells PMID: 15857892
  15. GPR4 may play a critical role in the inflammatory responses activated by lysophosphatidylcholine PMID: 16461426
  16. GPR4 in brain endothelial cells regulates monocyte transmigration. PMID: 17364894
  17. lysophosphatidylcholine receptor G protein-coupled receptor 4 (GPK4) was expressed in YPEN-1 cells and triggered the cAMP/protein kinase A/cAMP response element-binding protein pathway, resulting in upregulation of adhesion molecules. PMID: 17437524
  18. Previously postulated "ligand-independent" signaling of GPR4 is mediated through proton-sensing mechanisms. PMID: 17462861

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Subcellular Location
Cell membrane; Multi-pass membrane protein.
Protein Families
G-protein coupled receptor 1 family
Database Links

HGNC: 4497

OMIM: 600551

KEGG: hsa:2828

STRING: 9606.ENSP00000319744

UniGene: Hs.17170

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