Enzymes, Signaling Proteins, Extracellular Ligands, Signaling Reagents, Antibodies
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Product Name Catalog Number Pack Size Price(USD)  
IGF1 I811-40N-100 100 ug $193 Contact Us
IGF1 I811-40N-1000 1 mg $457 Contact Us
IGF1 I811-40N-BULK BULK Contact Us  

Description: Recombinant Human IGF1 was expressed in E. coli cells.

Storage, Stability and Shipping : The lyophilized protein is stable for at least one year from date of receipt at -70oC. Upon reconstitution, this cytokine can be stored in working aliquots at 2o - 8oC for one month, or at -20oC for six months, with a carrier protein without detectable loss of activity. Avoid repeated freeze/thaw cycles.

Applications : Cell Assay

Endotoxin Level : <1.0 EU/μg of recombinant protein as determined by the LAL method

Molecular Weight : 7.7 kDa

Gene Aliases : IGF-I, Mechano growth factor, MGF, Somatomedin-C, IBP1; Recombinant Human Insulin Like Growth Factor-I (IGF1)

Reconstitution Protocol : A quick spin of the vial followed by reconstitution in distilled water to a concentration not less than 0.1 mg/mL. This solution can then be diluted into other buffers.

Scientific Background : The Insulin Growth Factors belong to the Insulin gene family, the prototypic members of which include insulin and relaxin. Also known as somatomedin C, IGF1 is known to stimulate the proliferation of a wide range of cells including muscle, bone, and those of the cartilage tissue. A dominant effector of the growth hormone, mature IGF1 is generated by proteolytic removal of the N- and C- terminal pro-peptide regions. Mature human IGF1 shares 94% and 96% amino acid sequence identity with mouse and rat IGF1, respectively, while exhibiting cross-species activity. Circulating IGF1 is produced by hepatocytes while local IGF1 is produced by various other tissues in which it exerts paracrine effects. Recombinant Human IGF1 is a globular, 7.7 kDa protein that contains 3 native intra-molecular disulfide bonds.

Sample Cell Assay Data : The ED50 as determined by a cell proliferation assay using MCF-7 cells was found to be ≤20 ng/ml

Purity : Recombinant Human IGF1 resolved on a 17% SDS-PAGE gel under reducing conditions and stained with Coomassie Brilliant Blue G-250

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