产品名称Recombinant Human Neuregulin 1-alpha EGF Domain
来源种属Escherichia coli.
纯化> 97 % by SDS-PAGE and HPLC analyses.
生物活性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.
内毒素Less than 0.1 EU/ug of rHuNRG1-α as determined by LAL method.
UniprotQ02297
Gene ID3084
计算分子量Approximately 7.4 kDa, a single non-glycosylated polypeptide chain containing 65 amino acids.
序列SHLVKCAEKE KTFCVNGGEC FMVKDLSNPS RYLCKCQPGF TGARCTENVP MKVQNQEKAE ELYQK
配方Lyophilized from a 0.2 μm filtered solution in 20 mM PB, pH 6.0, 150 mM NaCl.
保存Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- A minimum of 12 months from date of receipt, when stored at ≤-20 ˚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.