Recombinant Human Neuregulin 1-alpha EGF Domain

• Catalog Number: orb1906238
• Category: Proteins
• Description: Recombinant Human Neuregulin 1-alpha EGF Domain
• Form/Appearance: Lyophilized from a 0.2 μm filtered solution in 20 mM PB, pH 6.0, 150 mM NaCl.
• Purity: > 97 % by SDS-PAGE and HPLC analyses.
• MW: Approximately 7.4 kDa, a single non-glycosylated polypeptide chain containing 65 amino acids.
• UniProt ID: Q02297
• Protein Sequence: SHLVKCAEKE KTFCVNGGEC FMVKDLSNPS RYLCKCQPGF TGARCTENVP MKVQNQEKAE ELYQK
• Source: Escherichia coli
• Expression System: Escherichia coli
• Biological Activity: Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using serum free human MCF-7 cells is less than 40 ng/ml, corresponding to a specific activity of �� 2.5 x104 IU/mg.
• Endotoxins: Less than 0.1 EU/ug of rHuNRG1-α as determined by LAL method.
• Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
• Note: For research use only
• Expiration Date: 6 months from date of receipt.