Lyophilized from sterile 2mM sodium phosphate buffer, pH7.4.
Bio-activity
The ED50 as determined by the dose-dependant stimulation of the proliferation of human TF-1 cells (human erythroleukemic indicator cell line) is less than 0.1 ng/ml, corresponding to a Specific Activity of 1.0 x 10^7 IU/ mg.
Molecular Mass
Recombinant Human CSF2 Protein contains 123 amino acids residues and has a molecular mass of approximately 26.018 kDa.
Endotoxin
< 0.03 EU per 1 microgram of protein (determined by LAL method).
Purity
> 95 % by SDS-PAGE.
BACKGROUND
Background
Cytokine that stimulates the growth and differentiation of hematopoietic precursor cells from various lineages, including granulocytes, macrophages, eosinophils and erythrocytes.
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