SKU: 13407153554

Ephrin-B2 Fc Chimera Protein, Human

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Description

Ephrin-B2 Fc Chimera Protein, HumanProduct Specification Species Human Synonyms HTKL; EPLG5; Htk L; LERK5 Accession P52799 Amino Acid Sequence Ile28 Ala229, with C terminal Human IgG1 Fc Expression System HEK293 Molecular Weight 57 65kDa (Reducing) Purity >95% by SDS PAGE Endotoxin <0. 1EU g Conjugation Unconjugated Tag Human Fc Tag Physical Appearance Lyophilized Powder Storage Buffer PBS, pH7. 4 Reconstitution Reconstitute at 0. 1 1 mg ml according to the size in ultrapure water

Product Specification


Species Human
Synonyms HTKL; EPLG5; Htk-L; LERK5
Accession P52799
Amino Acid Sequence Ile28-Ala229, with C-terminal Human IgG1 Fc
Expression System HEK293
Molecular Weight

57-65kDa (Reducing)

Purity

>95% by SDS-PAGE

Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag Human Fc Tag
Physical Appearance Lyophilized Powder
Storage Buffer PBS, 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.

Background

The ephrins and EPH-related receptors comprise the largest subfamily of receptor protein-tyrosine kinases and have been implicated in mediating developmental events, especially in the nervous system and in erythropoiesis. Based on their structures and sequence relationships, ephrins are divided into the ephrin-A (EFNA) class, which are anchored to the membrane by a glycosylphosphatidylinositol linkage, and the ephrin-B (EFNB) class, which are transmembrane proteins.

Members of the ephrin cell-surface protein family interact with the Eph receptors, the largest family of receptor tyrosine kinases, mediating bi-directional signaling during tumorogenesis and various developmental events. Surprisingly, ephrin-B2 and -B3 were recently identified as entry receptors for henipaviruses, emerging zoonotic paramyxoviruses responsible for repeated outbreaks in humans and animals in Australia, Southeast Asia, India and Bangladesh. The entry of henipavirus is initiated by the attachment of the viral G envelope glycoprotein to the host cell receptors ephrin-B2 and/or -B3, followed by activation of the F fusion protein, which triggers fusion between the viral envelop and the host membrane.

Shipping Notes
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Exchange/Return Notes
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SKU: 13407153554

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4.1 ★★★★★
Based on 7 reviews
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Product Reviews
J
Verified Purchase
JJ Fording
Battle Creek, US
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
S
Verified Purchase
Steve just Steve
Whiting, US
★★★★★ 5
Nice set of balls
Size: Medium
The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.
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Reviewed in the United States on January 9, 2026
C
Verified Purchase
Claudia Garfield
Houston, US
★★★★★ 5
Perfect ball
Size: Medium
Our dog loves these!
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Reviewed in the United States on May 26, 2026
T
Verified Purchase
Timothy john starkweather
Louisville, US
★★★★★ 4
Soild
Size: Medium
The orange and blue ball is perfect. Once start taken because the because the blue noisy one was a little to easy for my dog to start ripping pieces off. Will say most toys do not survive his chewing.
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Reviewed in the United States on January 24, 2026
C
Verified Purchase
Christy D.
New York, US
★★★★★ 5
Aggressive chewer who loves fetch approved!!
Size: Medium, Size: Medium
I highly recommend the Chuck-It brand in general, especially for dogs with an aggressive bite. These balls are awesome and are the most durable balls I’ve bought for my 50 lbs lab mix. He has not been able to break one of them yet and we’ve had a few of the squeaky balls for months. They are a bit pricey but worth it. The one in the pic has been used for months, lives outside and you can see it’s still in great shape.
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Reviewed in the United States on June 22, 2025

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