| Product Name | APRIL human, recombinant, expressed in Hi-5 Insect cells, ≥95% (SDS-PAGE), ≥95% (HPLC), cell culture tested |
| Product Number | SRP3008 |
| Product Brand | SIGMA |
| TEST | SPECIFICATION |
| Appearance | lyophilized powder |
| Color | white to off-white |
| Purity by SDS-Page | >=95% |
| Purity by HPLC | >=95% |
| Endotoxin Level | <= 1 EU/ug |
| Biological Activity | Tested by its ability to induce IgM secretion by CpG/CD40L treated human naive B cells, at a concentration of 500 ng/ml. |