SKU: 55878219770

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

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Description

IL-15R alpha/CD215 Fc Chimera Protein, HumanProduct Specification Species Human Antigen IL 15R alpha CD215 Synonyms IL 15RA, IL 15R alpha, Interleukin 15 Receptor Subunit Alpha, CD215 Accession Q13261 Amino Acid Sequence Ile31 Thr205, with C terminal Human IgG1 Fc

Product Specification


Species Human
Antigen IL-15R alpha/CD215
Synonyms IL-15RA, IL-15R-alpha, Interleukin-15 Receptor Subunit Alpha, CD215
Accession Q13261
Amino Acid Sequence

Ile31-Thr205, with C-terminal Human IgG1 Fc ITCPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAGTSSLTECVLNKATNVAHWTTPSLKCIRDPALVHQRPAPPSTVTTAGVTPQPESLSPSGKEPAASSPSSNNTAATTAAIVPGSQLMPSKSPSTGTTEISSHESSHGTPSQTTAKNWELTASASHQPPGVYPQGHSDTTIEGRMDPKSSDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK

Expression System HEK293
Molecular Weight

75-80kDa

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: 55878219770

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4.4 ★★★★★
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Sebastian Benavides
Phoenix, US
★★★★★ 1
Snapped bolt
I tried putting it on my n55 from a m235i and it did not fit properly. I was in a rush to try to put it on and thought it was on properly and I thought it did. And I snapped the bolt because the bolt because it was not aligned after I looked at harder I do not recommend for a n55. do not get this cheaply made pos. I recommend getting it from fcp euro where parts will actually fit and not fail.
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Reviewed in the United States on January 1, 2026
B
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Baldemarg
Massapequa, US
★★★★★ 5
May not fit correctly or is difficult to fit on.
Would not advise buying. It wouldn’t fit with the o ring nor with the old one, it would only go in with no o ring. So I had to put back my old hinge and o ring. Edit: I had to add coolant to the O ring, along with somewhat forcing/prying it in in order to get it to fit flush.
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Reviewed in the United States on January 9, 2026
J
Verified Purchase
Johnetta
Lake Worth, US
★★★★★ 5
Works 100% on my f30 n55
No leaks made with good material you can use everything they send it will work
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Reviewed in the United States on May 26, 2026
C
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carol cruzstewart
Louisville, US
★★★★★ 5
It’s the right part and it’s not defective
It fit and works great
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Reviewed in the United States on February 3, 2026
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Feedback Jedi
Waukegan, US
★★★★★ 4
Quick solution to replace that OEM Plastic Mount in your BMW E90
Effective Upgrade: After installation, I have experienced no leaks, which is a significant improvement for my vehicle. Quality Material: The aluminum construction feels durable and sturdy, offering a long-lasting solution compared to the original fitting. Cons: The installation process was a bit tricky. The holes didn't line up perfectly, making it a challenge to fit. While there was no need for drilling, finding the right angle to fit it required some patience and effort. Wider holes could have made the installation easier. I rate it 4 stars because of that. Despite the challenging installation, the Aluminum Water Hose Fitting Upgrade is a worthwhile investment for anyone experiencing leaks. The improved performance and durability make it a recommended upgrade for BMW E90 owners.
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Reviewed in the United States on May 21, 2024

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