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Recombinant Human NRG4

Neuregulins (NDF, heregulin, GGF ARIA, or SMDF) are EGF-like growth and differentiation factors that signal through tyrosine kinase receptors of the ErbB family. The ErbB2 and ErbB4 receptors cooperate in transmission of neuregulin-1 signals in the heart, whereas ErbB2 and ErbB3 cooperate in neural crest cells.

Product Specifications

CAS Number

9000-83-3

Gene Name

NRG4

Gene Aliases

Pro-neuregulin-4, membrane-bound isoform, Pro-NRG4, NRG4 <br/>Recombinant Human Neuregulin-4 (NRG4)

Gene ID

145957

Accession Number

Q8WWG1

Organism

Human

Source

E. coli

Concentration

<1.0 EU/μg of recombinant protein as determined by the LAL method

Purity

>95% as determined by SDS-PAGE

Solubility

A quick spin of the vial followed by reconstitution in distilled water to a concentration not less than 0.1 mg/mL. This solution can then be diluted into other buffers.

Function

The ED(50) was determined by the dose-dependent proliferation of Raji cells and was found to be &lt;0.05ng/mL.

Molecular Weight

7

Shipping Conditions

Ambient Temperature

Storage Conditions

The lyophilized protein is stable for at least one year from date of receipt at -70°C. Upon reconstitution, this cytokine can be stored in working aliquots at 2° - 8°C for one month, or at -20°C for six months, with a carrier protein without detectable loss of activity. Avoid repeated freeze/thaw cycles.

Appearance

Lyophilized Powder

Formulation

Lyophilized from a 0.2 μm filtered PBS, pH 7.4 solution.

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