Description
IGFBP5 Human Recombinant produced in E.Coli is non-glycosylated homodimer containing 2x252 amino acids and having a molecular mass of 28.6kDa. IGFBP5 is purified by proprietary chromatographic techniques.
Source
Formulation
IBP-5 was lyophilized from a concentrated (1mg/ml) solution containing 10mM sodium Citrate pH-3.
Purity
Greater than 96.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.
Biological Activity
The ED50, calculated by its ability to inhibit IGF-II induced proliferation of MCF-7. The expected ED50 for this effect is < 0.4µg/ml, corresponding to a specific activity of > 2500 IU/mg in the presence of 15ng/ml of rHuIGF-II.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.