| Product Name | IGF-Binding Protein-5 human, recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), cell culture tested |
| Product Number | SRP3068 |
| Product Brand | SIGMA |
| TEST | SPECIFICATION |
| Appearance | lyophilized powder |
| Color | white to off-white |
| Purity by SDS-Page | >=98% |
| Purity by HPLC | >=98% |
| Endotoxin Level | <= 1 EU/ug |
| Biological Activity | Determined by its ability to inhibit IGF-II induced proliferation of MCF-7. The expected ED50 is <= 0.3 ug/ml in the presence of 15 ng/ml of human IGF-II. |