Name :
Recombinant Human CD300A/LMIR1 Protein (His Tag)
Biological Activity :
Background :
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 oneIg-like V-type ( immunoglobulin-like ) domain. CD300A / IGSF12 is an inhibitory receptor that 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).
Biological Activity :
Testing in progress
Expression Host :
Human
Source :
HEK293 Cells
Tag :
Protein Accession No. :
Q9UGN4-1
NCBI Gene ID :
Synonyms :
Synonyms :
CD300a molecule
Amino Acid Sequence :
Molecular Weight :
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.
Purity :
> 90 % as determined by SDS-PAGE
State of Matter :
Product Concentration :
Storage and Stability :
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. 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.
Endotoxin Level :
< 1.0 EU per μg of the protein as determined by the LAL method
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.
Buffer Solution :
Lyophilized from sterile PBS, pH 7.4.Please contact us for any concerns or special requirements. Normally 5 % – 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hardcopy of datasheet.
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.
Redissolution :
A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
Synonyms :
CLM-8 Protein, Human; CMRF-35-H9 Protein, Human; CMRF-35H Protein, Human; CMRF35-H Protein, Human; CMRF35-H9 Protein, Human; CMRF35H Protein, Human; CMRF35H9 Protein, Human; IGSF12 Protein, Human; IRC1 Protein, Human; IRC1/IRC2 Protein, Human; IRC2 Protein, Human; IRp60 Protein, Human CD300A/LMIR1 背景信息 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 oneIg-like V-type ( immunoglobulin-like ) domain. CD300A / IGSF12 is an inhibitory receptor that 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).
References & Citations :
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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