ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
Species
Homo sapiens (Human)
Nature
Recombinant
Endotoxin level
Please contact with the lab for this information.
Purity
>90% as determined by SDS-PAGE.
Form
Lyophilized
Storage buffer
Lyophilized from a solution in PBS pH 7.4, 0.02% NLS, 1 mM EDTA, 4% Trehalose, 1% Mannitol.
Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA.
Reconstitution
Reconstitute in sterile water for a stock solution. Adjust the volume of sterile water so that, after reconstitution, the final stock concentration matches the value indicated on the product label or datasheet.
RECONSTITUTION PROTOCOL
1. Allow the product to be reconstituted and the reconstitution diluent to reach room temperature.
2. Tap or briefly centrifuge the product vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial.
3. Use the diluent and stock concentration recommended in the product datasheet. If preparing a stock concentration higher than recommended, contact Technical Service.
4. After adding the diluent, re-cap the vial and invert gently by hand or place on a slow rocking platform to allow the reconstitution diluent to coat all the surfaces inside the vial. Note: Do not mix by vortexing or by pipetting the material up and down.
5. Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using.
6. Store the reconstituted material in single use aliquots in polypropylene or siliconized tubes. Aliquots of 10 μL or larger are recommended.
Shipping
In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Stability and Storage
Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Alternate Names
NPPase, PD-Ibeta, Phosphodiesterase I beta, PDNP3, CD203c, Ectonucleotide pyrophosphatase/phosphodiesterase family member 3, E-NPP 3, ENPP3, NPP3, Phosphodiesterase I/nucleotide pyrophosphatase 3, Nucleotide diphosphatase
Background
Ectonucleotide pyrophosphatase/phosphodiesterase family member 3 (CD203c/ENPP3) is a ~100 kDa protein. Hydrolase that metabolizes extracellular nucleotides, including ATP, GTP, UTP and CTP. Also hydrolyzes extracellular 2',3'-cGAMP (cyclic GMP-AMP), a second messenger that activates TMEM173/STING and triggers type-I interferon production, and is therefore involved in the regulation of innate immune response. 2',3'-cGAMP appears to be further processed to GMP, AMP and inorganic phosphate. Limits mast cells and basophils response during inflammation and during the chronic phases of allergic responses by eliminating extracellular ATP, a signaling molecule activating these cells in an autocrine manner. Metabolizes extracellular ATP in the lumen of the small intestine, and thereby prevents ATP-induced apoptosis of intestinal plasmacytoid dendritic cells.
1. Gorelik, A. et al. (2018) The FEBS journal 285, 2481-2494. PMID: 29717535
2. Jin-Hua, P. et al. (1997) Genomics 45, 412-5. PMID: 9344668
3. Mardjuki, R. et al. (2024) Cell reports 43, 114209. PMID: 38749434
4. Vollmayer, P. et al. (2003) European journal of biochemistry 270, 2971-8. PMID: 12846830
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