Description
Recombinant Human Neuregulin-1 beta is produced by our E.coli expression system and the target gene encoding Ser177-Glu241 is expressed.
Alias
Pro-neuregulin-1;Neuregulin-1 beta 1;NRG1-beta 1;HRG1-beta 1; EGF;NRG1; GGF; HGL; HRGA; NDF; SMDF;
Endotoxin Testing
Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Purity
Greater than 95% as determined by reducing SDS-PAGE.
Activity
Measured in a serum-free cell proliferation assay using MCF‑7 human breast cancer cells.
The ED50 for this effect is less than 3 ng/mL.
Formulation
Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
Storage
Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks.Reconstituted protein solution can be stored at 4-7°C for 2-7 days.Aliquots of reconstituted samples are stable at < -20°C for 3 months.
Warranty
For Research Use Only. Our recombinant proteins can not be used in diagnostic procedures.