Recombinant Human Granulocyte-macrophage colony-stimulating factor receptor subunit alpha (CSF2RA), partial (Active)

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Code CSB-AP003591HU
Size $174
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Greater than 95% as determined by SDS-PAGE.
Less than 1.0 EU/μg as determined by LAL method.
The ED50 as determined by its ability to inhibit GM-CSF-dependent proliferation of TF‑1 human erythroleukemic cells is 0.5-2 μg/ml.
Target Names
Uniprot No.
Research Area
Alternative Names
CD_antigen=CD116; CD116; CD116 antigen; CDw116; Colony stimulating factor 2 receptor alpha chain; Colony stimulating factor 2 receptor alpha low affinity; Colony stimulating factor 2 receptor alpha subunit; CSF 2R; CSF2R; CSF2R_HUMAN; CSF2RA; CSF2RAX; CSF2RAY; CSF2RX; CSF2RY; GM CSF R alpha; GM CSF receptor alpha subunit; GM-CSF-R-alpha; GMCSFR; GMCSFR-alpha; GMR-alpha; Granulocyte macrophage colony stimulating factor receptor alpha chain; Granulocyte-macrophage colony-stimulating factor receptor subunit alpha; SMDP4
Homo sapiens (Human)
Mammalian cell
Expression Region
Complete Sequence
Mol. Weight
35.5 kDa
Protein Length
Tag Info
C-terminal 6xHis-tagged
Lyophilized powder
Lyophilized from a 0.2 μm filtered 20 mM PB, 150 mM NaCl, pH 7.4
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Basically, we can dispatch the products out in 5-10 working days after receiving your orders. Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.

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Target Background

Low affinity receptor for granulocyte-macrophage colony-stimulating factor. Transduces a signal that results in the proliferation, differentiation, and functional activation of hematopoietic cells.
Gene References into Functions
  1. Family-based whole genome analysis of a family with hereditary pulmonary alveolar proteinosis revealed a homozygous deletion that disrupts CSF2RA, CRLF2, and IL3RA gene in the pseudoautosomal region of the X chromosome in the affected child and one of asymptomatic siblings. PMID: 28233860
  2. lesions from human secondary progressive multiple sclerosis, but not primary progressive multiple sclerosis patients shows extensive recruitment of GM-CSF Ralpha+ myeloid cells PMID: 28641926
  3. Conformational changes in the GM-CSF receptor suggest a molecular mechanism for affinity conversion and receptor signaling. PMID: 27396825
  4. regulatory molecule causative of aortic dissection and intramural haematoma PMID: 25923510
  5. Our cohort broadens the spectrum of knowledge about the clinical variability and genotype-phenotype correlations of juvenile PAP, and illustrates the favorable outcome of WLL treatment in severely affected patients PMID: 25425184
  6. A possible relationship between dysfunction of the granulocyte-macrophage colony stimulating factor receptor, mapping to the pseudoautosomal X-Y region, may exist in myelodysplastic patients with initially lymphocytic Sweet syndrome. PMID: 24714374
  7. Studies indicate the action of GM-CSF can be inhibited by at least two approaches: inhibition by GM-CSF neutralising antibodies, or blockade of GM-CSF binding to its receptor by antibodies against the GM-CSF receptor alpha chain CSF2Ralpha. PMID: 23933508
  8. The GM-CSF Ralpha were ubiquitously but not uniformly expressed in neurons throughout the brain and downregulation in brain in patient with alzheimenr disease. PMID: 22430742
  9. This study reveals a novel functional role of clathrin-coated structure in GMR signaling and the oncogenesis of JAK2V617F. PMID: 22935703
  10. Identify defective expression and function of CD116 as a distinguishing feature of IBD and implicate an associated defect in innate immune responses toward granulocyte-macrophage colony-stimulating factor. PMID: 21557945
  11. The expression rate of GM-CSFR in myelodysplastic syndrome patients was significantly higher than in aplastic anemia patients and controls. PMID: 19099633
  12. 67-kDa laminin receptor expression influenced the characteristics of leukemia cells toward an aggressive phenotype and increased the number of granulocyte-macrophage colony-stimulating factor receptors PMID: 21056082
  13. The cytosolic domain of the hGM Ralpha chain is required for differentiation mediated by activation of the hGM Ralpha, beta(c) receptor complex. PMID: 12384414
  14. soluble forms of the GM-CSF receptor alpha chain and beta chain were produced and a novel mechanism of receptor assembly was demonstrated PMID: 12393492
  15. Constitutive secretion of soluble GMR alpha by monocytes (but not lymphocytes) is up-regulated by GM-CSF and inflammatory mediators in a protein form that represents a mixed population of alternatively spliced and proteolytically cleaved species. PMID: 12421947
  16. Analysis of the 5' promoter of the GM-CSF receptor alpha gene. PMID: 12504125
  17. identified the alpha-chain of the GMCSF receptor as interaction partner of IkappaB kinase beta; direct interaction of IKKbeta and GMRalpha in cells was verified. PMID: 12637324
  18. GM-CSF receptors exhibit different modes of signaling in a factor-dependent bipotential myeloid cell line. PMID: 14504109
  19. used the intracellular portion of the alpha subunit of the GM-CSF receptor to search for interacting proteins and identified the 67-kDa laminin receptor as a binding partner PMID: 14614142
  20. receptors alphaGMR and c-Kit could interact to coordinate their signal initiation; alphaGMR inhibited c-Kit auto-phosphorylation induced by the ligand stem cell factor PMID: 16760463
  21. Sequencing of colony stimulating factor, receptor 2 alpha in an independent case-control cohort revealed both common intronic haplotypes and several novel, rare missense variants associated with schizophrenia. PMID: 17522711
  22. The novel GMRalpha transcript identified herein contains a previously undescribed exon of the GMRalpha gene; this exon derives from an Alu DNA repeat element PMID: 17681666
  23. Results highlight the importance of GM-CSFR expression in monocytes for cytokine-induced myeloid dendritic cells (DC) generation and point to GM-CSF as a direct player in the generation of functionally distinct DC. PMID: 18236400
  24. best diffracting crystals of ternary complex were obtained using the N346Q mutation of the betac subunit. Crystals grew using polyethylene glycol 3350 with a high concentration of proline, belonged to space group P6(3)22 and diffracted to 3.3 A resolution PMID: 18678938
  25. Mutagenesis of the GM-CSF receptor at the dodecamer interface and functional studies reveal that dodecamer formation is required for receptor activation and signaling. PMID: 18692472
  26. Results suggest that that pulmonary alveolar proteinosis can result from a genetic deficiency of the GM-CSF receptor alpha chain, encoded in the X-chromosome pseudoautosomal region 1. PMID: 18955567
  27. These results establish that GM-CSF signaling is critical for surfactant homeostasis in humans and demonstrate that mutations in CSF2RA cause familial PAP. PMID: 18955570

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Involvement in disease
Pulmonary surfactant metabolism dysfunction 4 (SMDP4)
Subcellular Location
Cell membrane; Single-pass type I membrane protein.; [Isoform 3]: Secreted.; [Isoform 4]: Secreted.; [Isoform 6]: Secreted.
Protein Families
Type I cytokine receptor family, Type 5 subfamily
Database Links

HGNC: 2435

OMIM: 300770

KEGG: hsa:1438

UniGene: Hs.520937

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