Abbreviation
Recombinant Human CSF2 protein (Active)
Purity
Greater than 95% as determined by SDS-PAGE.
Greater than 90% as determined by SEC-HPLC.
Activity
The ED50 as determined by the dose-dependent stimulation of the proliferation of human TF-1 cells is 28.1-63.8 pg/mL.
Alternative Names
Granulocyte-macrophage colony-stimulating factor; GM-CSF; Colony-stimulating factor (CSF); Molgramostin; Sargramostim
Species
Homo sapiens (Human)
Expression Region
18-144aa
Target Protein Sequence
APARSPSPSTQPWEHVNAIQEARRLLNLSRDTAAEMNETVEVISEMFDLQEPTCLQTRLELYKQGLRGSLTKLKGPLTMMASHYKQHCPPTPETSCATQIITFESFKENLKDFLLVIPFDCWEPVQE
Note: The complete
sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is
translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
If the exact amino acid sequence of this recombinant protein is critical to your application,
please explicitly request the full and complete sequence of this protein before ordering.
Protein Length
Full Length of Mature Protein
Tag Info
N-terminal 6xHis-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Buffer
Lyophilized from a 0.2 μm filtered PBS, 6% Trehalose, pH 7.4
Storage
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Lead Time
3-7 business days
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.
Shelf Life
The shelf life is related to many factors, storage state, storage temperature and the stability of the product itself. Generally, the shelf life of lyophilized form is 6 months at -20°C/-80°C from the date of receipt.
Datasheet & COA
Please contact us to get it.
Images
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(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Activity
The ED50 as determined by the dose-dependent stimulation of the proliferation of human TF-1 cells is 28.1-63.8 pg/mL.
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The purity of CSF2 was greater than 90% as determined by SEC-HPLC
Description
GM-CSF drives myeloid cell proliferation, differentiation, and activation through JAK2/STAT5 and MAPK signaling, making it indispensable for studying innate immune responses and hematopoiesis. This recombinant human CSF2 (aa 18–144, full-length mature protein) demonstrates high signaling potency with an ED50 of 28.1–63.8 pg/mL in TF-1 proliferation assays, confirming robust biological activity suitable for dose-response experiments, dendritic cell differentiation protocols, and JAK/STAT pathway activation studies. Endotoxin levels below 1.0 EU/μg eliminate LPS-driven artifacts that confound immune cell functional assays, supporting use in PBMC stimulation, in vivo inflammation models, and as a reference standard in cytokine detection platforms. Expressed in mammalian cells with an N-terminal 6xHis tag, this protein provides native-like glycosylation and exceeds 95% purity by SDS-PAGE, satisfying the quality criteria typical for antibody validation workflows and cell-based signaling experiments.