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| Product Name | Des(2,3)[Leu24]IGF-I, recombinant protein (Receptor Grade) |
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| Description | Product Specifications Des(2,3)[Leu24]IGF-I: Des(2,3)[Leu24]IGF-I is a 68 amino acid analog of human IGF-I lacking the Pro-Glu at positions 2-3 at the N-terminus and with a substitution of Leu for Tyr at position 24. Compared to [Leu24]IGF-I, Des(2,3)[Leu24]IGF-I has similar affinity both for binding to the Type 1 IGF receptor and to acid-stripped human serum binding proteins.Source: Des(2,3)[Leu24]IGF-I is produced recombinantly as a fusion protein in E.coli using a patented expression system. The fusion protein containing Des(2,3)[Leu24]IGF-I is refolded, and after the leader peptide is removed, the Des(2,3)[Leu24]IGF-I product is purified to Receptor Grade using several chromatography steps.Purity:> 95% (as determined by HPLC and N-terminal sequence analysis)Molecular weight: Theoretical : 7373 daltons. Confirmed by Mass Spectrometry.Appearance:Lyophilized white powderN-terminal sequence analysis: 5 residues > 95% single sequenceEndotoxin (LAL): 150 ng/ml IGF binding protein assay - ED50 < 10 ng/mlState: Dried from 0.1 M acetic acid and stored under dry nitrogen at a slight vacuum (-25kPa).Reconstitution: Dissolve in dilute acid (e.g. 10mM HCl or 0.1M acetic acid), aliquot and store at -20°C. For lower dilutions (e.g. < 1mg/ml) inclusion of a carrier protein is recommended. Avoid freeze-thaw cycles.Storage/Stability:At least 2 years at 2-4°C (lyophilized) Peptide can be biotinylated by ibt upon request. This is a GroPep specification. ibt is authorized distributor of GroPep. |
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| Size | 20 µg |
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| Concentration | n/a |
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| Applications | n/a |
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| Other Names | Des(2,3)(Leu24) Insulin-like Growth Factor-1; Des(2,3)[Leu24]IGF-1 |
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| Gene, Accession, CAS # | n/a |
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| Catalog # | AKU020 AKU100 |
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| Order / More Info | Des(2,3)[Leu24]IGF-I, recombinant protein (Receptor Grade) from IMMUNOLOGICAL & BIOCHEMICAL TESTSYSTEMS GmbH |
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| Product Specific References | n/a |
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