Product name | Recombinant Human IGF1 (Long-R3-IGF1) Protein |
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Catalog No. | RP00823 |
Description | Recombinant Human IGF1 (Long-R3-IGF1) Protein is produced by E. coli expression system. The target protein is expressed with sequence (Gly49-Ala118) of human IGF1 (Long-R3-IGF1) (Accession #P05019). |
Bio-Activity |
Measured in a serum-free cell proliferation assay using MCF-7 human breast cancer cells. The ED50 for this effect is typically 1.5-6 ng/mL. The specific activity of recombinant human IGF-l is approximately 2.5 IU/μg, which is calibrated against recombinant human IGF-l WHO International Standard. |
Purity | > 95% by SDS-PAGE. |
Endotoxin | < 0.5 EU/μg of the protein by LAL method. |
Formulation | Lyophilized from a 0.2 μm filtered solution of 300mM HAc-NaAc, pH6.5.Contact us for customized product form or formulation. |
Species | Human |
Storage | Store the lyophilized protein at -20°C to -80 °C for long term. After reconstitution, the protein solution is stable at -20 °C for 3 months, at 2-8 °C for up to 1 week. |
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Reconstitution | Reconstitute to a concentration of 0.1-0.5 mg/mL in sterile distilled water. |
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* For research use only. Not for therapeutic or diagnostic purposes.
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