FPRP (F2alpha Prostaglandin receptor Regulatory Protein; also CD315, EWI-F and CD9 partner-1/P-1) is a 130kD type I transmembrane (TM) glycoprotein member of the EWI subfamily, Ig superfamily of molecules. It associates with the 7-TM prostaglandin F2alpha receptor, inhibiting its activity. It also forms complexes with 4-TM CD9 and CD81, linking these molecules to the intracellular actin cytoskeleton. Mature mouse FPRP is 858 amino acids (aa) in length. Its extracellular domain (ECD) contains six C2-type Ig-like domains (aa22-813) plus a Pro-Thr-Glu-Leu ER retention signal. The ECD of mouse FPRP (aa22-832) shares 89% and 98% aa identity with the ECD of human and rat FPRP, respectively.
Applications:
Suitable for use in Western Blot and Flow Cytometry. Other applications not tested.
Recommended Dilution:
Western Blot: 0.1-0.2ug/ml The detection limit is ~5ng/lane under non-reducing and reducing conditions.
Flow Cytometry: 25ug/ml; 10ul labels 1-2.5x10e5 3T3-L1 cells in a total reaction volume (same/less than) 200ul.
Optimal dilutions to be determined by the researcher.
Storage and Stability:
Lyophilized powder may be stored at -20 degrees C. Stable for 12 months at -20 degrees C. Reconstitute with sterile Tris buffered saline, 0.1% BSA. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Reconstituted product is stable for 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
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