SKU: 93978077348

IFN-α2 His Tag Protein, Human

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Description

IFN-α2 His Tag Protein, HumanProduct Specification Species Human Accession P01563 Amino Acid Sequence Cys24 Glu188, with C 10*His Expression System HEK293 Molecular Weight Theoretical: 20. 9kDa Actual: 20,24kDa Purity >95% by SDS PAGE Endotoxin <1EU g Conjugation Unconjugated Tag His Tag Physical Appearance Lyophilized powder Reconstitution Reconstitute no more than 1 mg mL according to the size in deionized water after rapid centrifugation. Stability & Storage 12 months from

Product Specification


Species Human
Accession P01563
Amino Acid Sequence

Cys24-Glu188, with C-10*His

Expression System HEK293
Molecular Weight Theoretical:20.9kDa Actual:20,24kDa
Purity >95% by SDS-PAGE
Endotoxin <1EU/μg
Conjugation Unconjugated
Tag His Tag
Physical Appearance Lyophilized powder
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

Human interferon alpha-2 (IFNα2) is a cytokine belonging to the family of type I IFNs. IFNα2 is a protein secreted by cells infected by a virus and acting on other cells to inhibit viral infection.IFNα2 was the first subtype to be characterized in the early eighties. As a result, IFNα2 was widely used in basic research to elucidate biological activities, structure and mechanism of action of type I IFNs. IFNα2 was also the first IFN to be produced by the pharmaceutical industry for use as a drug.In addition to their antiviral activity, type I IFNs also inhibit the proliferation of cells and regulate the activation of the immune system.

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SKU: 93978077348

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4.1 ★★★★★
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None of your business
Los Angeles, US
★★★★★ 3
I guess the smell is offputting
Size: 2-pack, Style: Duo
My dog loves chocolate stuff. But for some reason, wasn’t a huge fan of these balls. She played with them a little bit, but they’re not her favorite.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
D
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Daisy l.
Los Angeles, US
★★★★★ 5
Doesn’t squeak but the dogs still love them
Our doggies love them!! Very durable! They do not squeak though
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Reviewed in the United States on May 7, 2026
S
Verified Purchase
SES
Louisville, US
★★★★★ 5
10/10 for my dogs
Color: A.Orange+Blue+Green
super bouncy and fun for my dogs! they love playing with and tossing them around! hard to see in the water tho!
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Reviewed in the United States on May 29, 2026
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 4
Lightweight Balls
Color: A.Orange+Blue+Green
lightweight but solid. Unfortunately, I can't bring to dog park for my dog to play with as the larger dogs will destroy them. Not for dogs that chew through everything.
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Reviewed in the United States on January 31, 2026
D
Verified Purchase
Dsmorgan
Port Orchard, US
★★★★★ 5
Fun ball
It doesn’t last a whole long time, but she loves it! It’s crazy and it drives her playfulness crazy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026

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