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Human CD300A / CMRF-35H / IGSF12 Protein (His Tag)

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Human CD300A Protein Product Information
Synonym:CLM-8, CMRF-35-H9, CMRF-35H, CMRF35-H, CMRF35-H9, CMRF35H, CMRF35H9, IGSF12, IRC1, IRC1/IRC2, IRC2, IRp60
Protein Construction:A DNA sequence encoding the human CD300A (Q9UGN4-1) extracellular domain (Met 1-Gln 178) was fused with a polyhistidine tag at the C-terminus.
Expressed Host:Human Cells
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Human CD300A Protein QC Testing
Purity:> 90 % as determined by SDS-PAGE
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Leu 18
Molecule Mass:The recombinant human CD300A consists of 172 amino acids and has a predicted molecular mass of 18.8 kDa. As a result of glycosylation, the apparent molecular mass of rh CD300A is approximately 33-43 kDa in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile PBS, pH 7.4
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human CD300A Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Human CD300A Protein SDS-PAGE
Human CD300A / CMRF-35H / IGSF12 Protein (His Tag) SDS-PAGE
Other CD300A Recombinant Protein Products
CD300A Background

Mouse CMRF35-like molecule 8, also known as CD300 antigen-like family member A, CMRF35-H9, Immunoglobulin superfamily member 12, Inhibitory receptor protein 60, NK inhibitory receptor, CD300a and CMRF35H, is a single-pass type I membrane protein which belongs to the CD300 family. The CD300 family of myeloid immunoglobulin receptors includes activating ( CD300b, CD300e ) and inhibitory members ( CD300a, CD300f ), as well as molecules presenting a negative charge within their transmembrane domain ( CD300c, CD300d ).  CD300A / IGSF12 is expressed not only by natural killer (NK) cells but also by T-cell subsets, B-cells, dendritic cells, mast cells, granulocytes and monocytes.It contains one Ig-like V-type ( immunoglobulin-like ) domain. CD300A / IGSF12 is an inhibitory receptor which may contribute to the down-regulation of cytolytic activity in natural killer (NK) cells, and to the down-regulation of mast cell degranulation. CD300c is a functional immune receptor able to deliver activating signals upon ligation in RBL-2H3 mast cells. CD300c signaling is partially mediated by a direct association with the immune receptor tyrosine-based activation motif-bearing adaptor FcεRγ. CD300a and CD300c play an important role in the cross-regulation of TNF-alpha and IFN-alpha secretion from plasmacytoid dendritic cells (pDCs).

Human CD300A References
  • Bachelet,I. et al., 2005, J. Immunol. 175:7989-7995.
  • Bachelet,I. et al., 2008, J Immunol. 180 (9):6064-9.
  • Ju,X. et al., 2008, Blood. 112 (4):1184-94.
  • Martínez-Barriocanal,A. et al., 2010, J Biol Chem. 285 (53):41781-94.
  • Lankry,D. et al., 2010, J Immunol. 185 (5):2877-86.
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    Catalog: 12449-H08H-50
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