Product Details

Target Names

GPR4

Uniprot No.

P46093

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

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

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.

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

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
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
GPR4 blockade attenuated renal injury after IR and reduced the cell apoptosis through the suppression of CHOP expression. PMID: 29089376
acidosis/GPR4-induced endoplasmic reticulum stress pathways in endothelial cells may regulate vascular growth and inflammatory response in the acidic microenvironment. PMID: 28134810
it was demonstrated that GPR4 affects ECs by regulating Notch1, a function that may be important for physiological and pathological angiogenesis. PMID: 27279286
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
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
acidosis/GPR4 signaling regulates endothelial cell adhesion mainly through the G(s)/cAMP/Epac pathway PMID: 22110680
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
Endogenous GPR4 in endothelial cells may be a potential G protein-coupled receptor by which LPC signals proinflammatory activities. PMID: 12805023
GPR4, a close relative of OGR1, also responds to pH changes, but elicits cyclic AMP formation PMID: 12955148
sphingosylphosphorylcholine and lysophosphatidic acid are not the ligands for GPR4 and that this receptor may constitutively inhibit ERK1/2 activation PMID: 14567679
GPR4 and TDAG8 overexpression in human tumors plays a role in driving or maintaining tumor formation PMID: 15221007
results identify sphingosylphosphorylcholine and its receptor, G protein-coupled receptor 4(GPR4), as critical regulators of the angiogenic potential of endothelial cells PMID: 15857892
GPR4 may play a critical role in the inflammatory responses activated by lysophosphatidylcholine PMID: 16461426
GPR4 in brain endothelial cells regulates monocyte transmigration. PMID: 17364894
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
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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Source	in vitro E.coli expression system
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Recombinant Human G-protein coupled receptor 4 (GPR4)

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