Recombinant Human LR3 Insulin-Like Growth Factor I/LR3-IGF-1 (MG)
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Amount : | 50 µg |
Content : | Lyophilized from a 0.2 µm filtered solution of 300mM HAc-NaAc, pH 6.5. |
Storage condition : | Lyophilized protein should be stored at -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at -20°C for 3 months. |
AA sequence : | MFPAMPLSSLFVNGPRTLCGAELVDALQFVCGDRGFYFNKPTGYGSSSRRAPQTGIVDECCFRSCDLRRLEMYCAPLKPAKSA |
MW :9.1kD.
Recombinant Human LR3-IGF-1 is produced by our E.coli expression system and the target gene encoding Gly49-Ala118 is expressed. Insulin-like growth factor I (IGF1) belongs to the family of insulin-like growth factors that are structurally homologous to proinsulin. Mature IGFs are generated by proteolytic processing of inactive precursor proteins, which contains the N- and C-terminal propeptide regions. Mature human IGF-I consisting of 70 amino acids has 94% identity with mouse IGF-I and exhibits cross-species activity. IGF-1 binds IGF-IR, IGF-IIR, and the insulin receptor and plays a key role in cell cycle progression, cell proliferation and tumor progression. IGF-1 expression is regulated by growth hormone. R3 IGF-1 is an 83 amino acid analog of IGF-1 comprising the complete human IGF-1 sequence with the substitution of an Arg (R) for the Glu(E) at position three, hence R3, and a 13 amino acid extension peptide at the N terminus. R3 IGF-1 has been produced with the purpose of increasing biological activity. R3 IGF-1 is significantly more potent than human IGF-I in vitro.
Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100 µg/ml. Dissolve the lyophilized protein in 500mM Acetic Acid. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Endotoxin : Less than 0.05 ng/µg (0.5 IEU/µg) as determined by LAL test.
Biological Activity : ED50 is greater than 200 ng/ml.
For Research Use Only. Not for use in diagnostic/therapeutics procedures.
Subcellular location: | Secreted |
BioGrid: | 109700. 13 interactions. |
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