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Human Heregulin alpha / Neuregulin-1 recombinant Protein
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Protein Synonyms: Neuregulin-1, Heregulin Alpha, NRG1-A, NRG1 A. Source: E. coli Biological activity: ≥ 2.5 x 104 units/mg Purity: ≥ 97 % (SDS-PAGE, RP-HPLC) Physical state: Lyophilized Manufacturer: |
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Active Bioscience
Product Details
Synonyms
Neuregulin-1, Heregulin Alpha, NRG1-A, NRG1 A.
Description of Human Heregulin alpha / Neuregulin-1
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.
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.
Reconstitution
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.
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 avoid repeated freeze-thaw cycles.
Amino Acid Sequence
SHLVKCAEKE KTFCVNGGEC FMVKDLSNPS RYLCKCQPGF TGARCTENVP MKVQNQEKAE ELYQK
Shipped at room temperature
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Payment Methods
Paying by bank transfer
