Description
Recombinant Human Long Insulin-Like Growth Factor II is produced by our E.coli expression system and the target gene encoding Ala25-Glu91 is expressed.
Alias
Insulin-Like Growth Factor II; IGF-II; Somatomedin-A; IGF2; PP1446
Endotoxin Testing
Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Purity
Greater than 95% as determined by reducing SDS-PAGE.
Activity
Measured in a serum-free cell proliferation assay using MCF‑7 human breast cancer cellsThe ED50 for this effect is less than 20 ng/ml.
Formulation
Lyophilized from a 0.2 μm filtered solution of 5mM Hac, pH ~3.0.
Storage
Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks.Reconstituted protein solution can be stored at 4-7°C for 2-7 days.Aliquots of reconstituted samples are stable at < -20°C for 3 months.
Warranty
For Research Use Only. Our recombinant proteins can not be used in diagnostic procedures.
