CSF2 (Human) Recombinant Protein
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Specification
Product Description
Human CSF2 recombinant protein with polyhistidine tag at the N-terminus expressed in Escherichia coli.
Sequence
APARSPSPSTQPWEHVNAIQEARRLLNLSRDTAAEMNETVEVISEMFDLQEPTCLQTRLELYKQGLRGSLTKLKGPLTMMASHYKQHCPPTPETSCATQIITFESFKENLKDFLLVIPFDCWEPVQE
Host
Escherichia coli
Form
Lyophilized
Preparation Method
Escherichia coli expression system
Purification
Ni-NTA chromatography
Purity
> 98% as determined by SDS-PAGE analysis.
Endotoxin Level
< 0.1 EU per 1 ug of the protein by the LAL method.
Activity
The ED50 for this effect is < 80 pg/mL, measured by the induction of TF-1 cells proliferation. The specific activity of recombinant human CSF2 is approximately > 1 x 107 IU/ mg.
Quality Control Testing
SDS-PAGE Stained with Coomassie Blue
Recommend Usage
SDS-PAGE
The optimal working dilution should be determined by the end user.Storage Buffer
Lyophilized from a solution containing 1X PBS, pH 8.0.
Reconstitute the lyophilized protein in sterile H2O to a concentration of at least 0.5 mg/mL and incubate the stock solution for at least 20 min to ensure sufficient redissolution. Please use the protein within one month after reconstitution.Storage Instruction
Store at -20°C, lyophilized protein is stable for 1 year.
After reconstitution with deionized water, store at -20 to -80°C.
Aliquot to avoid repeated freezing and thawing. -
Applications
Functional Study
The ED50 for this effect is <80 pg/mL, measured by the induction of TF-1 cells proliferation.SDS-PAGE
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Gene Info — CSF2
Entrez GeneID
1437Gene Name
CSF2
Gene Alias
GMCSF, MGC131935, MGC138897
Gene Description
colony stimulating factor 2 (granulocyte-macrophage)
Omim ID
138960Gene Ontology
HyperlinkGene Summary
The protein encoded by this gene is a cytokine that controls the production, differentiation, and function of granulocytes and macrophages. The active form of the protein is found extracellularly as a homodimer. This gene has been localized to a cluster of related genes at chromosome region 5q31, which is known to be associated with interstitial deletions in the 5q- syndrome and acute myelogenous leukemia. Other genes in the cluster include those encoding interleukins 4, 5, and 13. [provided by RefSeq
Other Designations
colony stimulating factor 2|granulocyte-macrophage colony stimulating factor|molgramostin|sargramostim
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