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IGF-1

IGF-1 is a small protein secreted mainly but not solely by the liver and circulating in blood mostly as a complex with various IGF binding proteins in the blood. It has growth-regulating, insulin-like, and mitogenic activities and it is secreted in response to growth hormone stimulation. Recombinant rat IGF-I produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 71 amino acids and having a molecular mass of 7.6 kDa.

Product Specifications

Synonyms

Igf1; Igf-1; Igf-I; C730016P09Rik

NCBI Gene ID

24482

UniProt

P08025

Accession Number

NP_001075948.1

Accession Number mRNA

NM_001082479.1

Reactivity

Rat

Cross Reactivity

Rat

Sequence

MGPETLCGAELVDALQFVCGPRGFYFNKPTGYGSSIRRAPQTGIVDECCFRSCDLRRLEMYCAPLKPTKSA

Assay Protocol

It is recommended to reconstitute the lyophilized rIGF-I in sterile 0.4% NaHCO3 adjusted, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

Endotoxin

< 0.1 ng/µg of protein (< 1EU/µg)

Purity

>98.0% as determined by SDS-PAGE

Bioactivity

The ED50 as determined by the stimulation of protein synthesis in rat L6 myoblasts was found to be < 30ng/ml corresponding to a Specific Activity of 33,334IU/mg.

Length

71

Form

Lyophilized

Reconstitution

0.4% NaHCO3

Molecular Weight

7.6 kDa

Host or Source

E. coli

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