SKU: 97028787423

CD81 Fc Chimera Protein, Human

Sale price$133.20 Regular price$148.00
Save 10%

Pay in installments of $37.00 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

CD81 Fc Chimera Protein, HumanProduct Specification Species Human Synonyms CVID6, S5. 7, TAPA1, TSPAN28CD81 antigen CD81 Accession P60033 Amino Acid Sequence Phe113 Lys201, with hIgG Fc Expression System HEK293 Molecular Weight 35 42kDa (Reducing) Purity 95% by SDS PAGE & SEC HPLC Endotoxin <0. 1EU g Conjugation Unconjugated Physical Appearance Lyophilized Powder Storage Buffer PBS, PH7. 4, 5% trehalose Reconstitution Reconstitute at 0. 1 1 mg ml according to the size in ultrapure

Product Specification


Species Human
Synonyms CVID6, S5.7, TAPA1, TSPAN28,CD81 antigen, CD81
Accession P60033
Amino Acid Sequence Phe113-Lys201, with hIgG Fc
Expression System HEK293
Molecular Weight

35-42kDa (Reducing)

Purity >95% by SDS-PAGE & SEC-HPLC
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Physical Appearance Lyophilized Powder
Storage Buffer PBS, PH7.4, 5% trehalose
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.  Biochem Soc Trans 2017 Apr 15;45(2):531-535 

Background

CD81 participates in a variety of important cellular processes such as membrane organization, protein trafficking, cellular fusion and cell-cell interactions. In the immune system, CD81 regulates immune synapse, receptor clustering and signaling; it also mediates adaptive and innate immune suppression. CD81 is a gateway in hepatocytes for pathogens such as hepatitis C virus and Plasmodium. These diverse biological roles are due to the tendency of CD81 to associate with other tetraspanins and with cell-specific partner proteins, which provide the cells with a signaling platform. CD81 has also been shown to regulate cell migration and invasion, and has therefore been implicated in cancer progression. Indeed, we have recently shown that CD81 contributes to tumor growth and metastasis. CD81 is expressed in most types of cancer, including breast, lung, prostate, melanoma, brain cancer and lymphoma, and the overexpression or down-regulation of this molecule has been correlated with either good or bad prognosis.

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: 97028787423

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 18 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
LOYAL RAE’ CASH
Lowell, US
★★★★★ 5
Timberland Made It
Size: One Size, Color: Black (Money Clip)
It was ok the look was pretty my husband loved it it had great capacity the RFID protects his information perfectly haven’t had a problem there it’s very durable he loves the way it clips to his pocket and his cards and money was very easy to get to and the price was perfect he loved it and he loved that it was made by timberland
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2025
V
Verified Purchase
Vermont Tool Man
Louisville, US
★★★★★ 5
A nice sized wallet for front pocket keeping, holds the essentials & more quite well
Size: One Size, Color: Brown (Money Clip) 2
I like that I can keep cash, credit cards, ID and ATM cards all safely secured in this combo wallet/money clip that fits nicely in a back or front pants pocket (I keep mine in my front pocket). I've gotten this brand/style before, probably 6-8 years ago and it's the only wallet I'll use. I needed to replace mine as the spring metal clip does eventually wear through the leather at the rounded end of the money clip, but mine still functions just fine (I just wanted a new one for the holidays!) A well-made wallet and one I'll keep using and getting as long as I can find them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 20, 2021
H
Verified Purchase
HarleyD 04
Draper, US
★★★★★ 5
Supple leather with a compact design.
Size: One Size, Color: Black II (Money Clip), Size: One Size, Color: Black II (Money Clip)
This is exactly what I was looking for and the price??? Unbelievably low. I saw a Carhartt one that I liked, but I didn’t care for the waxy look of leather on it so I looked on their website and they only offered it in that. I searched front pocket wallet on Amazon and I purchased this. It is a higher-quality leather, the price tag inside says $55. I paid under $18. The one thing I did like about the Carhartt one, it had a magnetic strap for the cash where as this one has a fixed money clip, but I see no problems with the design. Very minimalist design.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 16, 2025
C
Verified Purchase
Cam DiNunzio
Boise, US
★★★★★ 5
Timberline pocket Wallet
Size: One Size, Color: Brown (Money Clip) 2
good deal excellent product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 22, 2025
J
Verified Purchase
Jeff
Lowell, US
★★★★★ 5
Second Best Bifold I’ve Owned
Color: Black
I’ve gone through a lot of wallets over the years (cheap ones, expensive ones, slim cardholders, you name it), and this Timberland bifold with the attached flip pocket is easily the best all-around wallet I’ve ever carried. The leather is excellent: full-grain, soft right out of the box, and it’s aged beautifully in just a few months with a rich patina that actually looks better with every scratch and scuff. Build quality is top-notch: tight, even stitching, no loose threads, and the edges are finished cleanly. Four months of daily front-pocket carry and it still looks practically new. Layout is perfect for me. Six card slots plus the two slip pockets behind them handle everything I need (10 cards + a few folded bills) without getting bulky. The attached flip ID window is a game-changer; I keep my driver’s license and work badge there and can show either in seconds without opening the wallet. Cash fits easily in the full-length bill compartment. It’s genuinely slim for a traditional leather bifold, sits comfortably in both front and back pockets, and never feels like a brick. The embossed Timberland logo is subtle and classy. At this point I can’t imagine switching to anything else. It’s durable, functional, looks sharp, and was a fraction of the price of some “luxury” wallets that didn’t last half as long. If you want a classic leather bifold that actually delivers, this is it. 100% recommended; already planning to buy another as a backup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 6, 2025

recommand products