SKU: 59072621169

Fc epsilon RI α His Tag Protein, Human

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Description

Fc epsilon RI α His Tag Protein, HumanProduct Specification Species Human Synonyms FCE1AFcERI Accession P12319 1 Amino Acid Sequence Val26 Gln205, with C terminal His Expression System HEK293 Molecular Weight 43 55 kDa(Reducing) Purity 95%, by SDS PAGE under reducing conditions Endotoxin <0. 1EU g Conjugation Unconjugated Tag His Tag Physical Appearance Lyophilized Powder Storage Buffer PBS, pH7. 2 Reconstitution Reconstitute at less than 1 mg mL according to the size in ultrapure water

Product Specification


Species Human
Synonyms FCE1A;FcERI
Accession P12319-1
Amino Acid Sequence Val26-Gln205, with C-terminal His
Expression System HEK293
Molecular Weight 43-55 kDa(Reducing)
Purity >95%, by SDS-PAGE under reducing conditions
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag His Tag
Physical Appearance Lyophilized Powder
Storage Buffer PBS, pH7.2
Reconstitution Reconstitute at less than 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

Fc epsilon RI α, also known as FCER1A, is the α subunit of immunoglobulin receptor (IgE receptor). IgE receptor consists of one α subunit, one β subunit and two γ subunits. The α subunit includes extracellular domain and transmembrane domain, and the extracellular region contains two immunoglobulin-like domains, in which the proximal membrane end is the binding region to IgE Fc, and the other end is related to high affinity. The α subunit contains seven N-chain glycosylation sites, which can guide the correct folding of the α-chain. β subunit is divided into transmembrane region and intracellular region, which is a four-time transmembrane molecule with immune receptor tyrosine activation motif (ITAM). The γ subunits are connected by disulfide bonds and each has a transmembrane region. Fc epsilon RI α first initiates anaphylaxis. Allergens act on mast cells through IgE and Fc epsilon RI α, activate chemical mast cells through signal transduction, release vasoactive mediators such as histamine and bradykinin to cause hypersensitivity, or pre-release Leucotrienes, leukotrienes and platelet activating factors to cause inflammation.

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Exchange/Return Notes
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SKU: 59072621169

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4.8 ★★★★★
Based on 29 reviews
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Product Reviews
D
Verified Purchase
Debbie
Battle Creek, US
★★★★★ 5
Great dog balls at a great price
Size: Medium
The balls are a favorite for my dog. I could have done without the hole through the middle because I don't do treats in balls anyway. My dog loves balls for their own merit. I needed replacement balls for my Nerf Dog Ball launcher. It seems the originals have disappeared from the market. I took a chance because the price is right and this Chuck-it ball works very well so we're liking this ball a lot. So far my Dachsund, who can destroy a tennis ball (the kind they are selling as Nerf Dog replacements) in 3 minutes has not done any damage to this one so that's a win. I recommend this as a much better ball than the fuzzy tennis balls. I like the colors too since many dog toys are green (which gets lost in the lawn, etc.) or red (even though dogs have red/green color blindness. Blue and orange are good and pretty easy to find. I liked these well enough that this set was my second purchase so I will have spares in case the others are lost.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2023
J
Verified Purchase
Just passing through
Omaha, US
★★★★★ 5
My Baby loves his new baby!
Size: Medium, Size: Medium
Finally! A ball my 107 lb. pitty/pointer mix can’t destroy. He has torn up every single “indestructible” toy in a day or so until now. He peels fabric and fur off non-rubber toys. He is a 4-legged shredder. I’ve added pictures of him for a size reference of my dog versus this product. I know I had wanted that when shopping for this item. This ball is now his beloved “baby.” He goes absolutely insane looking for it, chewing it, chasing it, and even sleeping with it. He won’t rest unless he knows exactly where it is. It is his only toy, and he is good with that. After getting this home, I tried giving him other choices, but he won’t touch them. I was worried that he would rip it apart by putting his teeth in the holes, but so far, not a scratch. It is soft enough to collapse just enough to keep it from cracking when his jaws crush it but not so soft that he can rip it to sheds. The holes are large enough to prevent a suction or vacuum effect on his tongue or mouth. For his size jaws, it is a perfect fit. Other dogs might have problems with suction or be able to get their teeth in those holes and rip it apart. Who knows? The older version of the Chuckit squeaky ball was his favorite for the year and a half he had it, but the way they make them now, he peels off the orange triangle in hours flat, the squeaker falls out (choking hazard), and then he rips it apart. I’m going to stock up on these. I can’t imagine how crazy he will be if they ever stop production or change the materials.
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Reviewed in the United States on May 9, 2019
D
Verified Purchase
danna turner
Fort Morgan, US
★★★★★ 5
Dog approved
Color: Colorful, Size: Medium
Favorite bag for my dog
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
G
Verified Purchase
Geneva Thompson
Carnegie, US
★★★★★ 5
Repeat buyer
Color: Colorful, Size: Medium
This lasts a long time. We have a bigger one outside and smaller in east for dog to grab and us
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Reviewed in the United States on May 12, 2026
A
Verified Purchase
AnneMarie H.
Los Angeles, US
★★★★★ 1
Not as described
Color: Colorful, Size: Large, Color: Colorful, Size: Large
This item is vibrant in color, but I could tell right away, It wasn’t going to be durable and indestructible like the description said. My dog had it destroyed in less than a minute.
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Reviewed in the United States on May 29, 2026

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