SKU: 58751008476

IL-15R alpha/CD215 Fc Chimera Protein, Mouse

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Description

IL-15R alpha/CD215 Fc Chimera Protein, MouseProduct Specification Species Mouse Synonyms IL 15RA, IL 15R alpha, Interleukin 15 Receptor Subunit Alpha, CD215 Accession Q60819 Amino Acid Sequence Gly33 Lys205, with C terminal Human IgG1 Fc

Product Specification


Species Mouse
Synonyms IL-15RA, IL-15R-alpha, Interleukin-15 Receptor Subunit Alpha, CD215
Accession Q60819
Amino Acid Sequence

Gly33-Lys205, with C-terminal Human IgG1 Fc GTTCPPPVSIEHADIRVKNYSVNSRERYVCNSGFKRKAGTSTLIECVINKNTNVAHWTTPSLKCIRDPSLAHYSPVPTVVTPKVTSQPESPSPSAKEPEAFSPKSDTAMTTETAIMPGSRLTPSQTTSAGTTGTGSHKSSRAPSLAATMTLEPTASTSLRITEISPHSSKMTKIEGRMDPKSSDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK

Expression System HEK293
Molecular Weight

60-85kDa

Purity >95% by SDS-PAGE
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag Human Fc 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、Perrier C. et al. (2013) Interleukin-15 receptor α expression in inflammatory bowel disease patients before and after normalization of inflammation with infliximab. Immunology. 138(1): 47-56.

Background

IL-15Ra chain is expressed by many cell types including monocytes, dendritic cells, natural killer cells, T cells and fibroblasts. Several isoforms of IL-15Ra exist and are generated either by alternative splicing or by proteolytic cleavage. Hence, IL-15Ra can be found as a membrane receptor or as a soluble receptor (sIL-15Ra); and as most isoforms of the receptor contain a sushi domain allowing very-high-affinity binding of IL-15, signaling or regulatory functions can be attributed to the receptor. Competition between soluble and membrane receptors can result in reduced biological activity of IL-15, though a super agonist effect of the soluble form was also observed. The signaling of IL-15 appears more complicated than for other cytokines because IL-15 primarily exists as a complex bound to IL-15Ra. When IL-15/IL-15Ra complexes are shuttled to the cell surface, they can stimulate opposing cells through the b/cC receptor complex (trans-presentation), or alternatively may allow an autocrine stimulation (cis-presentation).

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SKU: 58751008476

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4.7 ★★★★★
Based on 20 reviews
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D
Verified Purchase
Dennis Krawiec
Waukegan, US
★★★★★ 4
GOOD CHOICE FOR A SUPER CHEWER
Size: Large (Pack of 1), Size: Large (Pack of 1)
Pretty good choice, but for a super power chewer like my 2 year old ROTT, nothing can stand up to her ! This bone usually lasts her about 2-3 weeks, but we only let her have it a few hours a day to keep her busy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
K
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kccop2nd
Charlottesville, US
★★★★★ 5
Average size but very durable
Size: Medium (Pack of 1)
My dog broke new bones within an hour of opening them. He is a lab so strong chewer. We bought a Kong tug toy months ago….zero rips, tears or knicks at all so when looking for a bone option, Kong is where we went. So far so good after two days. The rubber chewing sound can get annoying but totally worth it to not worry about it breaking and my dog choking on it or hurting him in some way. Safety was a priority and Kong nailed it. I was hoping it would be a bit bigger based on pictures but it fits his mouth just fine. Being rubber, it is a bit heavy and clunky it your dog likes to retrieve like mine, but if you don’t mind the thud, it is not bad to toss. My dog loves it and it’s is holding up so we are both happy
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Reviewed in the United States on April 1, 2026
S
Verified Purchase
Stormy
Whiting, US
★★★★★ 1
Less than 1
Size: Medium (Pack of 1)
I purchased a Kong Extreme Dog Toy at Tractor Supply and it lasted for several weeks with no signs of damage and then my dog lost it. So I went on the search for more Kong Extreme toys for powerful chewers on Amazon. I have a 60 lb. American Straffordshire Pit and he is a fierce chewer. Most chew toys can make it for a day with some damage but by day 2 the fun is over. For him because the toy is torn to bits and for me because I have to pick up the remnants. I have learned not to get him anything fuzzy - he will rip the fuzz off and I have learned not to get him anything with a squeaker because he will not stop chewing until he finds the squeaker and rip it out. He had the end of the Kong Extreme Goodie Bond Dog Toy off in less than 30 minutes and that was alternating between the Wubba toy for fetching and the bone for chewing, I can tell the Wubba isn't going to last anytime if I let him sit down and chew on it so I had to keep taking it away from him. He likes to catch but he doesn't like to fetch. When I took the bone out of the package I was more worried about the center as it seemed very flimsy and I had doubts it would make it but my dog concentrated on the holes on the ends (with no snacks in them) and when he laid down to chew on it, he was able to rip the end off in a matter of minutes, This is also listed as for power chewers. I have other Kong toys I have ordered for him because he loves to play and chew but I can hardly afford to pay $8 to $10 per toy for him to have half a hour of chewing fun. I went back to TSC for a Kong Extreme Dog Toy and I tried one of the classic Kongs. The classic had one end missing in less than an hour. A Pit Bull breeder said the only thing he has found his dogs can play with and not destroy are bowling balls. He keeps his dogs in kennels and in a barn and my dog is a house dog so since I don't live in a bowling alley I know that I would wind up wishing he would only chew it up instead of roll it into every piece of furniture or a wall. I had such high hopes for the Kong Extreme but it is said to have a dog get attached to a toy then have to take it away from him every ten to fifteen minutes because a power chew toy can't hold up to chewing. Off to find an alternative to Kong,,,,, one toy out of five holding up is not a good recommendation and very expensive to try to find something the dog can enjoy and not destroy.
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Reviewed in the United States on January 28, 2014
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Verified Purchase
Ellen R.
Draper, US
★★★★★ 5
Safest dog toy .
Size: X Large
It really is the most durable ! My 160lbs mastiff loves it .
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Reviewed in the United States on June 4, 2026
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Lane G.
Carnegie, US
★★★★★ 5
KONG; consistently sturdy!
Color: bone, Size: 1 Count (Pack of 1)
This toy is small enough for my 11 pound puppy and he loves it. It's also sturdy enough (as KONG products always are) to withstand his terrier jaws and ability to destroy most toys in under 5 minutes. Keeps him busy for hours.
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Reviewed in the United States on August 26, 2025

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