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Catalog Products » Recombinant Proteins » Growth Factors » Insulin-like growth factor I (IGF-I, N-Met), Human

IGF-I (N-Met), Human

Synonyms Somatomedin C, IGF-I, IGFI, IGF1, IGF-IA, Mechano growth factor, MGF
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.
Source E. coli
Biological Activity ED50 < 5 ng/ml, measured by a cell proliferation assay using FDC-P1 cells, corresponding to a specific activity of > 2.0× 105 units/mg.
Gly49-Ala118 (Accession #: P05019), expressed with an N-terminal Met

Measured Molecular Weight 7.8 kDa, observed by reducing SDS-PAGE.
Purity > 95% as analyzed by SDS-PAGE.
Formulation Lyophilized after extensive dialysis against PBS.
Reconstitution Reconstituted in ddH2O or PBS at 100 μg/ml.
Endotoxin Level < 0.2 EU/μg, determined by LAL method.
Storage Lyophilized recombinant Human IGF-I(N-Met) remains stable up to 6 months at lower than -70°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.
Note For research use only

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Cat. No. Z03298
10 ug $15.00
50 ug $35.00
1 mg $125.00