SKU: 84803117109

IL-16(130aa) Protein, Human

Sale price$106.20 Regular price$118.00
Save 10%

Pay in installments of $29.50 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

IL-16(130aa) Protein, HumanProduct Specification Species Human Synonyms Pro interleukin 16; Interleukin 16, IL 16, Lymphocyte chemoattractant factor (LCF) Accession Q14005 Amino Acid Sequence Met1203 Ser1332 Expression System E. coli Molecular Weight 18 kDa (Reducing) Purity >95% by SDS PAGE. Endotoxin <0. 1EU g Conjugation Unconjugated Tag No Tag Physical Appearance Lyophilized Powder Storage Buffer 20mM Tris, 300mM NaCl pH8. 0 Reconstitution Reconstitute at 0. 1 1 mg ml

Product Specification


Species Human
Synonyms Pro-interleukin-16; Interleukin-16, IL-16, Lymphocyte chemoattractant factor (LCF)
Accession Q14005
Amino Acid Sequence

Met1203-Ser1332

Expression System E.coli
Molecular Weight

18 kDa (Reducing)

Purity >95% by SDS-PAGE.
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag No Tag
Physical Appearance Lyophilized Powder
Storage Buffer 20mM Tris, 300mM NaCl pH8.0
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

Proc Natl Acad Sci U S A. 1994 May 24;91(11):5109-13.

Background

Interleukin-16 (IL-16) is a cytokine that plays a key role in regulating immune responses and inflammation. It is produced by various immune cells, including CD4+ T cells, mast cells, and eosinophils. IL-16 functions as a chemoattractant for CD4+ T cells, promoting their migration to sites of inflammation. Additionally, IL-16 can modulate the activation and proliferation of CD4+ T cells, as well as other immune cells, through interactions with its receptor, CD4. This cytokine is involved in the pathogenesis of various inflammatory conditions, autoimmune diseases, and cancer.
IL-16 exists in two isoforms: the full-length 130 amino acid (130aa) isoform and a shorter 121 amino acid (121aa) isoform. The 130aa isoform is the canonical form of IL-16 and is known for its chemoattractant and immunomodulatory functions. On the other hand, the 121aa isoform lacks the CD4-binding domain present in the 130aa isoform, resulting in reduced CD4-binding capacity and altered biological activity. The 121aa isoform may exhibit different chemotactic properties and signaling capabilities compared to the full-length 130aa isoform.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 84803117109

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 27 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
D
Verified Purchase
Dylan Ellemberg
Louisville, US
★★★★★ 3
Comfortable at First, But Did Not Last Long
Size: 9.5, Color: Cs05 White
I used these Feethit men’s slip on running shoes for about six months, and my experience was a bit mixed. Starting with the positives, they are pretty comfortable right out of the box. They are lightweight and easy to slip on, which makes them great for quick trips or casual everyday wear. The fit was true to size for me, maybe even a little on the loose side, which I did not mind for a relaxed feel. However, the durability just was not there. After about six months, I started to notice wear and tear, and eventually I got a tear in the sole right under my heel. That made them really uncomfortable to walk in, especially for longer periods. Once that happened, it was basically game over for using them regularly. Because of that, I would not recommend these for heavy use, workouts, or long days on your feet. They seem better suited for light, occasional wear rather than something you rely on daily. Overall, they are comfortable and easy to wear at first, but they do not hold up over time. If you are looking for something long lasting, you may want to look at other options.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
A
Verified Purchase
Amazon Customer
Houston, US
★★★★★ 1
Won’t Fit No Matter What
Size: 9.5, Color: Cs05 White, Size: 9.5, Color: Cs05 White
These shoes don’t stretch so I was unable to get my foot in the shoe. They are my size, but the opening has no stretch so you can’t get your foot in the shoe. I tried several different ways and then realized even though the shoe is the correct size, the opening was too small. They made the opening for the shoe probably the same size on all shoes, so unless you have kids feet you won’t even be able to slide them on. I’ve never had a shoe I couldn’t get on. I’ve worn Sketchers no problem. This is design flaw and I highly recommend you don’t buy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
J
Verified Purchase
jana jones
Chelsea, US
★★★★★ 5
Really comfortable!!!
Size: 11, Color: New Black05
These tennis shoes are so comfortable!!! I would recommend anybody to get these, especially if you do a lot of walking they’re very light but have a good heal support and the soul is nice and soft and cushy.. They’re also so cute. I got the blue ones and red also.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
T
Verified Purchase
tim zaharson
Chelsea, US
★★★★★ 5
i would recommend these shoes
Size: 11, Color: Black White 05
great shoes for the price. very comfortable...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
D
Verified Purchase
Deivi García
Carnegie, US
★★★★★ 5
Lightweight and comfortable for everyday use
Size: 9, Color: All Black, Size: 9, Color: All Black
These sneakers are very lightweight and comfortable, making them great for daily wear and long walks. The breathable material helps keep your feet cool, and the slip-on design is convenient. The non-slip sole provides decent grip on most surfaces, which is a plus. However, they may not be ideal for intense workouts or very wet conditions. The build quality is good for the price, though durability over the long term might vary. Overall, a solid budget-friendly option for casual use and light activities.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026

recommand products