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RecombinantIGF-I(N-Met),Human
Catalog Number: orb1494840
| Catalog Number | orb1494840 |
|---|---|
| Category | Proteins |
| Description | Insulin-like growth factor I (IGF-I) also known as Somatamedin C is a hormone similar in molecular structure to insulin. Human IGF-I has two isoforms (IGF-IA and IGF-IB) which are differentially expressed by various tissues. Mature human IGF-I shares 94% and 96% aa sequence identity with mouse and rat IGF-I, respectively. Both IGF-I and IGF-II (another ligand of IGF) can signal through the IGF-I receptor (IGFIR), but only IGF-II can bind the IGF-II receptor (IGFIIR/ Mannose-6-phosphate receptor). IGF-I plays an important role in childhood growth and continues to have anabolic effects in adults. Recombinant Human IGF-I(N-Met) produced in E.coli is a polypeptide chain containing 71 amino acids. A fully biologically active molecule, rhIGF-I (N-Met) has a molecular mass of 7.8 kDa analyzed by reducing SDS-PAGE and is obtained by chromatographic techniques at GenScript. |
| Form/Appearance | Lyophilized after extensive dialysis against PBS. |
| Purity | > 95% as analyzed by SDS-PAGE. |
| MW | 7.8 kDa, observed by reducing SDS-PAGE. |
| Protein Sequence | MGPETLCGA ELVDALQFVC GDRGFYFNKP TGYGSSSRRA PQTGIVDECC FRSCDLRRLE MYCAPLKPAK SA |
| Source | Escherichia coli. |
| Biological Activity | ED50 2.0× 10ˆ5 units/mg. |
| Endotoxins | < 0.2 EU/μg, determined by LAL method. |
| Storage | Lyophilized recombinant Human IGF-I(N-Met) remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, Human IGF-I should be stable up to 1 week at 4°C or up to 3 months at -20°C. |
| Buffer/Preservatives | Lyophilized after extensive dialysis against PBS. |
| Alternative names | Somatomedin C, IGF-I, IGFI, IGF1, IGF-IA, Mechano Read more... |
| Note | For research use only |
| Application notes | Reconstituted in ddH2O or PBS at 100 μg/ml. |
| Expiration Date | 6 months from date of receipt. |
