Species of Origin
His Tag (N-term)
Lyophilized from a 0.2 µm filtered solution of PBS, pH 8.0.
>98% as determined by SDS-PAGE analysis.
The protein has a calculated MW of 8.20 kDa.
The protein migrates about 11 kDa under reducing condition (SDS-PAGE analysis).
Measure by its ability to induce MCF-7 cells proliferation. The ED₅₀ for this effect is <6 ng/mL. The specific activity of recombinant mouse IGF-II is > 1.5 x 10⁵ IU/mg.
<0.1 EU per 1 μg of the protein by the LAL method.
Mouse Insulin Like Growth Factors 2 (IGF-II) is a 7.34 kDa member of the Insulin-like Growth Factors with 67 amino acid residues. IGF-II is mainly expressed from early embryonic somatic tissues, liver, and epithelial cells lining the surface of the brain. IGF-II is mediating the embryonic development and placental growth, while also promoting tumor growth. IGF-II affects regulation of cell proliferation, growth, migration, differentiation and survival via binding to IGF-I receptor.
Insulin-like Growth Factors II, IGF-II, Multiplication-stimulating polypeptide
It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.
The product is shipped with polar packs. Upon receipt, store it immediately at -20°C or lower for long term storage.
Stability & Storage
This product is stable after storage at:
- -20°C for 12 months in lyophilized state from date of receipt.
- -20°C or -80°C for 2 weeks under sterile conditions after reconstitution.
Avoid repeated freeze/thaw cycles.
SDS-PAGE analysis of recombinant mouse IGF-II.1/1
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Datasheet & Documents1/1
Disclaimer：For Research Use Only. Not for use in diagnostic or therapeutic procedures.