Human recombinant GM-CSF (Granulocyte-macrophage colony-stimulating factor) protein, AF

CSF2 protein, Human

Granulocyte-macrophage colony-stimulating factor (GM-CSF) was first identified as a Growth Factors due to its ability to induce proliferation and differentiation of bone marrow progenitors into granulocytes and macrophages. GM-CSF is produced by multiple cell types including activated T cells, B cells, macrophages, endothelial cells and fibroblasts upon receiving immune stimuli. GM-CSF stimulates stem cells to produce granulocytes and monocytes functions as a cytokine.

Product Info Summary

SKU: PROTP04141-8
Size: 5ug,20ug,100ug
Origin Species: Human
Source: Escherichia coli
Application: Cell Culture

Product Name

Human recombinant GM-CSF (Granulocyte-macrophage colony-stimulating factor) protein, AF

View all CSF2 recombinant proteins

SKU/Catalog Number

PROTP04141-8

Size

5ug,20ug,100ug

Tag

His Tag (N-term)

Description

Granulocyte-macrophage colony-stimulating factor (GM-CSF) was first identified as a Growth Factors due to its ability to induce proliferation and differentiation of bone marrow progenitors into granulocytes and macrophages. GM-CSF is produced by multiple cell types including activated T cells, B cells, macrophages, endothelial cells and fibroblasts upon receiving immune stimuli. GM-CSF stimulates stem cells to produce granulocytes and monocytes functions as a cytokine.

Storage & Handling

Lyophilized protein should be stored at -20°C for 1 year. Upon reconstitution, store at 2°C to 8°C for up to 1 week. Further dilute in a buffer containing a carrier protein or stabilizer (e.g. 0.1% BSA, 10%FBS, 5%HSA or 5% trehalose solution), protein aliquots should be stored at -20°C or -80°C for 3-6 months. Avoid repeated freeze/thaw cycles.

Cite This Product

Human recombinant GM-CSF (Granulocyte-macrophage colony-stimulating factor) protein, AF (Boster Biological Technology, Pleasanton CA, USA, Catalog # PROTP04141-8)

Form

Lyophilized

Formulation

The protein was lyophilized from a 0.2 μm filtered solution containing 1X PBS, pH 8.0. If you have any concerns or special requirements, please confirm with us.

Purity

>98% as determined by SDS-PAGE.

Predicted MW

16.3 kDa

Molecular weight

The protein has a calculated MW of 15.4 kDa. The protein migrates as 15 kDa under reducing condition (SDS-PAGE analysis).

Activity

Measure by its ability to induce TF-1 cells proliferation. The ED₅₀ for this effect is <80 pg/mL. The specific activity of recombinant human GM-CSF is approximately >1 x 10⁷ IU/mg.

Endotoxin

<0.1 EU per 1 μg of the protein by the LAL method.

Amino Acid Sequence

APARSPSPSTQPWEHVNAIQEARRLLNLSRDTAAEMNETVEVISEMFDLQEPTCLQTRLELYKQGLRGSLTKLKGPLTMMASHYKQHCPPTPETSCATQIITFESFKENLKDFLLVIPFDCWEPVQE with polyhistidine tag at the N-terminus.

Reconstitution

Centrifuge at 3000 rpm for 5 mins before opening. It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 100 μg/mL and incubate the stock solution at room temperature for at least 20 mins to ensure sufficient re-dissolved. Do Not Vortex! Vigorous shaking may impair the biological activity of the protein.

Validation Images & Assay Conditions

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Size

Total: $77

SKU:PROTP04141-8

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Update date: Apr 22, 2026