RSPO-4 (R-Spondin 4, Cristin-4)

Lyophilized powder may be stored at -20 °C. Stable for 12 months at -20 °C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20 °C. Reconstituted product is stable for 12 months at -20 °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.

Recognizes mouse RSPO-4. In Western Blot shows 50-100% crossreactivity with recombinant human RSPO-4. Does not crossreact with recombinant mouse RSPO-1 or RSPO-3 or recombinant human RSPO-2.