IL-18Rα/IL-1R5 His Tag Protein, Human
SKU: 57526918503

IL-18Rα/IL-1R5 His Tag Protein, Human

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Description

IL-18Rα/IL-1R5 His Tag Protein, HumanProduct Specification Species Human Synonyms CD218a, CD218a, CDw218a, IL18R1, IL18RA, IL 18Ralpha, IL 18R alpha, IL18Ralpha2, IL1RRP, IL 1Rrp, Interleukin 18 receptor 1, IL 1 R5, IL 1 Rrp, IL 18 R alpha, IL 18 R1, IL18R alpha, IL18R1, IL 18Ra Accession Q13478 Amino Acid Sequence Cys22 Arg329, with C terminal His Expression System HEK293 Molecular Weight 53 72kDa (Reducing) Purity 95% by SDS PAGE &95% by SEC HPLC Endotoxin <0. 1EU g Conjugation

Product Specification


Species Human
Synonyms CD218a, CD218a, CDw218a, IL18R1, IL18RA, IL-18Ralpha, IL-18R-alpha, IL18Ralpha2, IL1RRP, IL-1Rrp, Interleukin-18 receptor 1, IL-1 R5, IL-1 Rrp, IL-18 R alpha, IL-18 R1, IL18R alpha, IL18R1, IL-18Ra
Accession Q13478
Amino Acid Sequence Cys22-Arg329, with C-terminal His
Expression System HEK293
Molecular Weight 53-72kDa (Reducing)
Purity >95% by SDS-PAGE &>95% by SEC-HPLC
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag His Tag
Physical Appearance Lyophilized Powder
Storage Buffer PBS, 5% trehalose, 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.Parnet, P. et al. (1996) J. Biol. Chem. 271:3967.

Background

Interleukin 18 (IL-18) is a member of the IL-1 family of cytokines and shares numerous immuno-regulatory functions with IL-12. The functional IL-18 receptor complex is composed of two subunits designated IL-18 R alpha (also termed IL-1 R5 and IL-1 Rrp) and IL-18 R beta (also termed IL-1 R7 and AcPL). Both IL-18 R alpha and IL-18 R beta belong to the IL-1 receptor superfamily. IL-18 R is widely expressed in numerous tissues including spleen, thymus, leukocyte, liver, lung, heart, small and large intestine, prostate and placenta. Within the IL18 receptor complex, responsible for the binding of the pro-inflammatory cytokine IL18, but not IL1A nor IL1B. Involved in IL18-mediated IFNG synthesis from T-helper 1 (Th1) cells. Contributes to IL18-induced cytokine production, either. independently of SLC12A3, or as a complex with SLC12A3.

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SKU: 57526918503

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john A.
San Leandro, US
★★★★★ 5
Better than most.
Size: (Pack of 1)
Looks good, perfect fit.
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Reviewed in the United States on May 25, 2026
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Willy Bill
Louisville, US
★★★★★ 5
Great Filter
Size: (Pack of 1)
This fits fine. Just wish it was a little easier to change.
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Reviewed in the United States on April 26, 2026
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em
West Palm Beach, US
★★★★★ 5
More power, slightly lower (8%) MPG.
Size: (Pack of 1)
Installed on a 2.0 liter Subaru Impreza. I drive up/down the I5 in california 3-4 times a year. For those that don't know there is about a 200 mile flat stretch where everyone runs at 75-85mph. With various filters (FRAM, BOSCH, Subaru OEM), I would consistently get 29.8 mpg. Once I installed the K&N, I could feel the car pulling with a bit more power, but I noticed that I was getting about 27.5 mpg. Totally worth it as the impreza is a little under powered and I don't drive many miles (6k/year) but if you are putting a lot of miles on your car, you may want to have more mpg.
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Reviewed in the United States on May 24, 2026
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GregUPerkio
Bozeman, US
★★★★★ 5
fits my 2013 chevy suburban 5.3 and appears to be high quality
Size: (Pack of 1)
fits my 2013 suburban perfectly. looks to be a well constructed unit.
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Reviewed in the United States on March 29, 2026
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Gahvno
Belleville, US
★★★★★ 5
Very good quality comparable to OEM at a much more reasonable price point.
Size: (Pack of 1)
Last December we bought our first new car in 21 years and the first thing I did is stock up on cabin and engine air filters. I've got nothing against dealership OEM parts and pieces but what I do have an issue with is the prices. Luckily, we all have a bit of control over access to OEM quality parts and pieces at significantly more reasonable prices via Amazon. This filter and it's matching cabin filter are excellent in value and take less than 5 minutes to replace. Compare that to paying the hourly rate at your dealer plus the dealership retail price and you'll do what I did and stock up on these two filters. Definitely recommended.
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Reviewed in the United States on September 25, 2025

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