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Neuregulin-1/Heregulin Alpha (EGF Domain) Human Recombinant
Product Name Neuregulin-1/Heregulin Alpha (EGF Domain) Human Recombinant
Synonyms Neuregulin-1, Heregulin Alpha, NRG1-A, NRG1 A.
Description Recombinant Human Neuregulin-1/Heregulin Alpha (EGF Domain) produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 65 amino acids and having a total molecular mass of 7.4kDa. NRG1-A is purified by proprietary chromatographic techniques.
Uniprot Accesion Number
Amino Acid SequenceSHLVKCAEKE KTFCVNGGEC FMVKDLSNPS RYLCKCQPGF TGARCTENVP MKVQNQEKAE ELYQK.
Source Escherichia Coli.
Physical Appearance and Stability Lyophilized NRG1-A although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution NRG1-A should be stored at 4°C between 2-7 days and for future use below -18°C. Please prevent freeze-thaw cycles.
Formulation and Purity Lyophilized from a 0.2µm filtered solution in 20mM PB, pH 6.0 and 150mM NaCl. Greater than 97.0% as determined by
Application
Solubility It is recommended to reconstitute the lyophilized NRG1-A in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Biological Activity The ED50 was determined by the dose-dependent stimulation of the proliferation of human MCF-7 cells is less than 40 ng/ml, corresponding to a specific activity of > 2.5×104 units/mg.
Shipping Format and Condition Lyophilized powder at room temperature.
Usage Statement Our products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

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