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Human CD31 Recombinant (PECAM1)


accession:  P16284
   Size A     50ug   $ 160
   Size B      200ug  $550
   Size C      1000ug  $ 1950
Domain  :  Ig-like C2
Gene  :  CD31
Catalog no. :  RKP16284

Optimized DNA sequence encoding Human extracellular domain of human CD31 including a C-terminal 6His tag was expressed in HEK293 cells.

Molecular weight:

Recombinant CD31 is a monomer protein consisting of 585 amino acid residue subunits,  due to glycosylation migrates as an approximately 100 kDa protein on SDS-PAGE.

>95%, as determined by SDS-PAGE and HPLC

Biological Activity:
Recombinant Human CD31 activity was determined by its ability to support the adhesion of Jurkat human leukemic T cells. When cells are added to recombinant human CD31 coated plates ( 3.3 μg/mL , 100 μL/well ) in the presence of PMA , approximately 50% - 65% will adhere specifically after 30 minutes at 37℃

Endotoxin content was assayed using a LAL gel clot method.
Endotoxin level was found to be less than 0.1 ng/µg(1EU/µg).

Recombinant CD31  is supplied as a 0.2 μm filtered PBS solution,  pH7.2 .

Recombinant CD31, as supplied, can be stored in working aliquots at 2° - 8° C for one month, or at -20°C to -70°C for twelve months.

Avoid repeated freeze/thaw cycles.

This product is for research purposes only.It may not be used for therapeutics or diagnostic purposes.



Platelet/endothelial cell adhesion molecule 1, also known as CD31, is a member of the Ig gene superfamily expressed at high density at the lateral borders of endothelial cells and at a lower density on the surface of hematopoietic cells including T lymphocytes. By establishing homophilic interactions between endothelium- and leukocyte- expressed CD31, this molecule has been shown to facilitate leukocyte transendothelial migration (TEM) in vitro and in vivo.

Related Publications:
cd38/CD31, the ccl3 and ccl4 chemokines, and cd49d/vascular cell adhesion molecule-1 are interchained by sequential events sustaining chronic lymphocytic leukemia cell survival
Cancer Res., May 2009; 69: 4001 - 4009.
circulating monocytes expressing CD31: implications for acute and chronic angiogenesis
Am. J. Pathol., May 2009; 174: 1972 - 1980.
il-7 sustains CD31 expression in human naive cd4+ t cells and preferentially expands the CD31+ subset in a pi3k-dependent manner
Blood, Mar 2009; 113: 2999 - 3007.
transcriptional profiling of CD31+ cells isolated from murine embryonic stem cells
Genes Cells, Feb 2009; 14: 243 - 260.
life after the thymus: CD31+ and CD31– human naive cd4+ t-cell subsets
Blood, Jan 2009; 113: 769 - 774.

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Growth factors
CD markers
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Purified Polyclonal
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