ED50: <0.1 µg/ml, as determined by its ability to inhibit IGF-II induced proliferation of MCF-7 cells and is 1.0 x 104 IU/mg in the presence of 14 ng/ml of rHuIGF-II.
Purity
>97% as determined by RP-HPLC and SDS-PAGE.
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from 20 mM Tris HCl Buffer, pH 8, with 150 mM Sodium Chloride.
Storage
Shipped at ambient temperature. Lyophilized: Short term (3 weeks) store at 25°C. Long term store desiccated below -18°C. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C. Avoid freeze/thaw cycles.
Synonyms
IBP-4, IBP4, IGF-binding protein 4, IGFBP-4, Insulin-like growth factor-binding protein 4
Disclaimer
This product is for research use only. It is not intended for diagnostic or therapeutic use.
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