SKU: 36781831560

CD200 His Tag Protein, Human

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Description

CD200 His Tag Protein, HumanProduct Specification Species Human Antigen CD200 Synonyms MOX1, MOX2, MRC, OX 2, My033 Accession P41217 Amino Acid Sequence Gln31 Gly232, with C terminal 8*His QVQVVTQDEREQLYTPASLKCSLQNAQEALIVTWQKKKAVSPENMVTFSENHGVVIQPAYKDKINITQLGLQNSTITFWNITLEDEGCYMCLFNTFGFGKISGTACLTVYVQPIVSLHYKFSEDHLNITCSATARPAPMVFWKVPRSGIENSTVTLSHPNGTTSVTSILHIKDPKNQVGKEVICQVLHLGTVTDFKQTVNKGGGGSHHHHHHHH Expression System HEK293 Molecular Weight 35 45kDa Purity 95% by SDS PAGE

Product Specification


Species Human
Antigen CD200
Synonyms MOX1, MOX2, MRC, OX-2, My033
Accession P41217
Amino Acid Sequence

Gln31-Gly232, with C-terminal 8*His QVQVVTQDEREQLYTPASLKCSLQNAQEALIVTWQKKKAVSPENMVTFSENHGVVIQPAYKDKINITQLGLQNSTITFWNITLEDEGCYMCLFNTFGFGKISGTACLTVYVQPIVSLHYKFSEDHLNITCSATARPAPMVFWKVPRSGIENSTVTLSHPNGTTSVTSILHIKDPKNQVGKEVICQVLHLGTVTDFKQTVNKGGGGSHHHHHHHH

Expression System HEK293
Molecular Weight 35-45kDa
Purity >95% by SDS-PAGE
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag His Tag
Physical Appearance Lyophilized Powder
Storage Buffer PBS, pH7.4
Reconstitution Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.
Stability & Storage · 12 months from date of receipt, lyophilized powder stored at -20 to -80℃.
· 3 months, -20 to -80℃ under sterile conditions after reconstitution.
· 1 week, 2 to 8℃ under sterile conditions after reconstitution.
· Please avoid repeated freeze-thaw cycles.
Reference

1. Barclay A.N., Wright G.J., Brooke G., Brown M.H. CD200 and membrane protein interactions in the control of myeloid cells. Trends Immunol. 2002; 23:285-290.
2. Wright G.J., Puklavec M.J., Willis A.C., Hoek R.M., Sedgwick J.D., Brown M.H., Barclay A.N. Lymphoid/Neuronal cell surface OX2 glycoprotein recognizes a novel receptor on macrophages implicated in the control of their function. Immunity. 2000; 13:233-242.
3. Moreaux J., Veyrune J.L., Reme T., De Vos J., Klein B. CD200, A putative therapeutic target in cancer. Biochem. Biophys. Res. Commun. 2008;366:117-122.
4. Barclay A.N. Different reticular elements in rat lymphoid tissue identified by localization of IA, Thy-1 and MRC OX-2 antigens. Immunology. 1981;44:727-736.

Background

CD200 is a type-1 cell membrane glycoprotein of the immunoglobulin supergene family, present on both cells with myeloid/lymphoid origin as well as on epithelial cells and many cancer cells. CD200, also known as MRC OX-2, is a highly conserved, 48 kDa type 1a transmembrane glycoprotein related structurally to the B7 family of costimulatory receptors. The molecule itself consists of an IgSF extracellular domain (single V + C), a single transmembrane region and a short cytoplasmic tail lacking signaling motifs. The molecule is expressed by resting dendritic cells, thymocytes, endothelial cells, neurons and osteoblast precursors (OBp), as well as by activated B and T cells (including αβTCR+ and most γδTCR+ cells). CD200 interacts with a structurally related receptor (CD200R) expressed mainly on myeloid cells and is involved in regulation of macrophage and mast cell function. OX-2 / CD200 and CD200R associate via their respective N-terminal Ig-like domains. CD200 also plays an important role in prevention of graft rejection, autoimmune diseases and spontaneous abortion.

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SKU: 36781831560

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4.7 ★★★★★
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Product Reviews
J
Verified Purchase
J. Bush
Dallas, US
★★★★★ 5
Bigger, louder, crinklier, softer, than expected!
Size: X-Large, Color: Rabbit
My dog was gifted a collection of used toys and he really likes a very long stuffed pig which, unfortunately, another dog that is a destructive chewer, totally destroyed. I decided to break down and buy him another long stuffed toy today and since he's always blissfully watching rabbits in the yard and neighborhood I chose the rabbit version. This thing is huge which is great for him- he's 62 lbs and 7 months old and only half grown. He loves it, it has multiple LOUD squeakers, lots of crinkly spots, and fun ears/legs to grab hold off. He's a big fan and it's made with K9 Tuff Guard which LASTS. Super soft and easy to wash. Update after 2 months- easy to wash and looks new after a washing. very durable so far, standing up to indoor and outdoor use. He is not a destructive chewer but whips them around, tramples on them, steps on them while running top speed and chomps on the annoying squeaker for hours. one squeaker has a hole and its tune is now slightly muted (thank god)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 24, 2019
P
Verified Purchase
Pat
Boise, US
★★★★★ 5
Absolute favorite toy for almost a year
My dog’s favorite toy for almost a year. It has held up amazingly. I’m sad it’s no longer available. Please bring it back!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
V
Verified Purchase
Van Wanggaard Racine Wi
Cuba, US
★★★★★ 5
Very well made!
Size: Small, Color: Bunny
This toy is great! Two squeakers and made to last even my Airedale. He doesn’t want to put it down.
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Reviewed in the United States on March 14, 2026
J
Verified Purchase
JHI
Chelsea, US
★★★★★ 5
Won't last forever, but my dog loves it
Size: X-Large, Color: Giraffe
My dog, a 90 lb black lab, LOVES these toys. He does prefer the raccoon to the giraffe, but he likes them both a lot. I originally got the raccoon on clearance at Target when looking for a long toy he could play with while he was in a cone recovering from surgery (he likes to be able to hold toys between his front paws and mouth/chew on them, so none of our regular squeaky footballs were long enough for that). He loved it so much I had to find more, so I found this giraffe from the same line of toys. He's a destroyer and he has been able to put a few holes in these toys if I'm not watching him, but they're pretty easy to sew if they need patching. My mother-in-law's dog came over and made a hole so big that the squeakers and lining all came out, but I sewed it back up and it's almost as good as new. They definitely won't last forever, but they have lasted longer than other soft toys we've had in the past.
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Reviewed in the United States on October 19, 2017
N
Verified Purchase
Nancy Dodson-Houck
Charlottesville, US
★★★★★ 5
My dogs favorite
Size: Small, Color: Bunny
I need this toy! It is my dogs favorite. She even takes this on walks. Ive replaced this on 3 times because it was “eaten” by my daughters dog. I keep it put up and Georgia constantly goes to the spot I keep it and is expecting me to give it to her. Please restock soon
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026

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