SKU: 57924029723

IL-31 His Tag Protein, Human

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Description

IL-31 His Tag Protein, HumanProduct Specification Species Human Accession Q6EBC2 Amino Acid Sequence Ser24 Thr164, with N His Tag Expression System HEK293 Molecular Weight Predicted MW: 17. 5 kDa Observed MW: 20 kDa Purity >95% by SDS PAGE Endotoxin <1EU g Conjugation Unconjugated Tag His Tag Physical Appearance Lyophilized powder Storage Buffer 0. 2M PBS, pH7. 4 with 3% trehalose. Reconstitution Reconstitute no more than 1 mg mL according to the size in deionized water after

Product Specification


Species Human
Accession Q6EBC2
Amino Acid Sequence

Ser24-Thr164, with N-His Tag

Expression System HEK293
Molecular Weight

Predicted MW: 17.5 kDa Observed MW: 20 kDa

Purity >95% by SDS-PAGE
Endotoxin <1EU/μg
Conjugation Unconjugated
Tag His Tag
Physical Appearance Lyophilized powder
Storage Buffer

0.2M PBS, pH7.4 with 3% trehalose.

Reconstitution

Reconstitute no more than 1 mg/mL according to the size in deionized water after rapid centrifugation.

Stability & Storage


12 months from date of receipt, -20 to -70 °C as supplied.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
1 week, 2 to 8 °C under sterile conditions after reconstitution.
Please avoid repeated freeze-thaw cycles.

Background

Interleukin-31 (IL-31) is a novel cytokine belonging to the IL-6 family, primarily produced by activated T helper 2 (Th2) cells and mast cells. It signals through a heterodimeric receptor composed of IL-31 receptor A (IL-31RA) and oncostatin M receptor β (OSMRβ), which is expressed on various cell types including sensory neurons, keratinocytes, and immune cells. IL-31 is a key mediator of pruritus (itch) in inflammatory skin diseases such as atopic dermatitis, psoriasis, and allergic conditions. Its signaling pathway promotes itch sensation, disrupts epidermal barrier function, and drives immune responses, making it a significant therapeutic target for chronic pruritic disorders.

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Exchange/Return Notes
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SKU: 57924029723

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4.4 ★★★★★
Based on 17 reviews
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Product Reviews
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Verified Purchase
Dorey Marshall
Chelsea, US
★★★★★ 3
Not very durable
Size: 5 Pack
They’re a great toy for the dog. However, if the dog is bigger, they are very easily destroyed.
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Reviewed in the United States on May 9, 2026
W
Verified Purchase
Wolf
Chelsea, US
★★★★★ 5
Hold up to a heeler!
Size: 5 Pack
I have a red heeler who destroys chew toys in quickly. I was extremely happy with these ones. They are made of thicker material and even after he chews the squeaky piece out, I can play tug of war with them without them ripping apart. The price for the quality is the best I have found in a long time.
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Reviewed in the United States on June 9, 2026
D
Verified Purchase
dshandri
Charlottesville, US
★★★★★ 5
Good toy overall!
Size: 5 Pack
These dog toys are good for in the middle of hard chewers we have a dog that is a very hard chewer and will chew up anything, these toys lasted a good while!
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Reviewed in the United States on June 9, 2026
S
Verified Purchase
Signof12
New York, US
★★★★★ 5
Great toy that stands up to tough dogs
Size: 5 Pack
When these toys first arrived and I opened the box I was disappointed. They seemed a bit flimsy and were not what I was expecting Boy was I wrong! My dog lived his new toy and it’s has not left his side. Best of all, it’s a tough little toy that can take a beating and keep going. My dog usually tears through his toys in a matter of hours, and I tried numerous toys over the years. I’ve tried Kevlar toys, toy that claim to be very sturdy, he always destroyed them in a matter of hours. This toy looks flimsy, but it’s soft and strong
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Reviewed in the United States on February 20, 2026
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Verified Purchase
TNEarthMAMA
Cuba, US
★★★★★ 5
Dog toy that lasts.
Size: 5 Pack
I've got a heavy chewer on my hands, so I've basically thrown money away on countless "durable" toys that get shredded in minutes. I was skeptical about these, but the "no stuffing" design caught my eye—at least there wouldn't be fluff all over my living room! I'm happy to report that these have actually lasted! My dog loves shaking them around and making them squeak. The crinkle sound is a huge bonus; it really keeps him engaged. The fact that they're lightweight makes them perfect for a game of fetch, and my dog can easily carry them around. For the price, getting a whole bundle of these is a great deal. If you're tired of cleaning up toy stuffing, I'd definitely recommend giving these a try.
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Reviewed in the United States on March 18, 2026

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