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You are here:Home » Growth Factors, Cytokines » Growth Factors-IGF » Insulin-Like Growth Factor II, Recombinant, Human (Insulin-like Growth Factor 2 (Somatomedin A), IGF-II, IGF2, C11orf43, FLJ22066, FLJ44734, PP1446, PP9974, Somatomedin-A)

Insulin-Like Growth Factor II, Recombinant, Human (Insulin-like Growth Factor 2
(Somatomedin A), IGF-II, IGF2, C11orf43, FLJ22066, FLJ44734, PP1446, PP9974,
Somatomedin-A)

Pricing

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Specifications

Catalog #I7661-14E
SourceRecombinant corresponding to human Insulin Like Growth Factor-II expressed in E.coli is a single, non-glycosylated, polypeptide chain.
Molecular Weight~7.5kD
Biological ActivityThe ED50, calculated by the competitive binding of IGF-II plasma derived to human placental membrane is less then 1.0ng/ml, corresponding to a specific activity of 106 IU/mg.
Dimers and Aggregates 1% (SDS-PAGE)
Protein ContentProtein quantitation was carried out by two independent methods: 1.UV spectroscopy at 280nm. 2. Analysis by RP-HPLC, using a standard solution of IGF-II as a Reference Standard.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O, HSA or BSA. Aliquot to avoid repeated freezing and thawing. Store 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.
Molecular Weight~7.5kD
Purity~97% (RP-HPLC, Anion-exchange FPLC, SDS-PAGE) Endotoxin: 0.1ng/ug (IEU/ug)
ConcentrationNot determined
FormSupplied as a lyophilized powder. No preservative added. Reconstitute with sterile dH2O, 0.1% HSA or BSA to 0.1mg/ml.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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