SKU: 46729199675

CEACAM-5/CD66e (499-685) His Tag Protein, Human

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Description

CEACAM-5/CD66e (499-685) His Tag Protein, HumanProduct Specification Species Human Synonyms CEACAM 5, CEACAM, CD66e, CEA, Meconium antigen 100 Accession P06731 1 Amino Acid Sequence Glu 499 Ala 685 with His Tag at the C Terminus Expression System HEK293 Molecular Weight 43 55kDa (Reducing) Purity 95% by SDS PAGE & > 95% by SEC HPLC Conjugation Unconjugated Tag His Tag Physical Appearance Lyophilized powder Storage Buffer PBS, PH7. 4, 5% trehalose Reconstitution Reconstitute at 0. 1 1 mg ml

Product Specification


Species Human
Synonyms CEACAM-5, CEACAM, CD66e, CEA, Meconium antigen 100
Accession P06731-1
Amino Acid Sequence

Glu 499 - Ala 685 with His Tag at the C-Terminus

Expression System HEK293
Molecular Weight

43-55kDa (Reducing)

Purity >95% by SDS-PAGE & > 95% by SEC-HPLC
Conjugation Unconjugated
Tag His Tag
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.Li Q, Li Y, Li J, et al. FBW7 suppresses metastasis of colorectal cancer by inhibiting HIF1α/CEACAM5 functional axis. Int J Biol Sci. 2018;14(7):726-735. Published 2018 May 12.
2.Baczyska D, et al. (2003) The tumorigenic potential of human CX-1 colon adenocarcinoma cells depends on carcinoembryonic antigen (CEACAM5) expression. Cell Mol Biol Lett. 8(2): 471-86.
Blumenthal RD, et al. (2005) Inhibition of adhesion, invasion, and metastasis by antibodies targeting CEACAM6 (NCA-90) and CEACAM5 (Carcinoembryonic Antigen). Cancer Res. 65(19): 8809-17.

Background

Carcinoembryonic antigen-related cell adhesion molecule 5 (CEACAM5) is also Carcinoembryonic antigen (CEA), Meconium antigen 100, CD antigen CD66e, CEACAM5 belongs to the immunoglobulin superfamily and CEA family. CEACAM5 contains seven Ig-like (immunoglobulin-like) domains. CEACAM5 is homodimer protein which binding of E.coli Dr adhesins leads to dissociation of the homodimer. CEACAM5 is cell surface glycoprotein that plays a role in cell adhesion and in intracellular signaling. CEACAM5 is receptor for E.coli Dr adhesins.

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Exchange/Return Notes
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SKU: 46729199675

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4.2 ★★★★★
Based on 30 reviews
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Product Reviews
M
Verified Purchase
Mel-j
Lexington, US
★★★★★ 1
Not really indestructible if it’s plastic
Color: Green, Color: Green
We received this toy yesterday evening and in about 10 mins of giving it to my dog(Labrador) He was able to bite into the plastic parts. I had to take it away from him. So this product is not for aggressive chewers. In fact any dog small or big can bite into the plastic parts. Now when my dog plays with toys he focuses more on the ends of the toy if he deems it to be a chew toy. So he hasn’t gone to the squeaky part yet as I had to take it away from him.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
A
Verified Purchase
AQ
West Palm Beach, US
★★★★★ 4
Dearly departed
Color: Green, Color: Green
This toy lasted two sessions. Two. Sessions. I don't really fault the toy. I fault the dipstick in the donut suit. Our dog did love this toy. He did look extremely cute carrying a caterpillar around. We did worry about property damage when he would joyfully toss the toy. I find the claim of "indestructible" to be exaggerated. We had some very tense minutes when we couldn't find the caterpillar's head. We kept looking at dog ingress points and dog eggress points with more and more worry. He did NOT swallow the head, it had rolled under a piece of furniture. He is blissfully unaware of how lucky he is. If he was half his size, this would have been a marvelous toy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
J
Verified Purchase
JusticeJones
Los Angeles, US
★★★★★ 5
Chew toy that holds up to aggressive chewers
Color: Green
Bought this for my 85 lb aggressive chewer. She loves this toy and gnaws on it constantly. My only complaint is that she likes to bring it to bed with her and I have to listen to "chomp, chomp, chomp" while falling asleep!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
A
Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 5
It lasts!!!!
Color: Green
My dog LOVES this toy! He's a very aggressive chewer and so far this is the only toy that has lasted him. My guess is that he will eventually destroy it, but not for a very long time. He chews it so much that it gets "spikey" from all the chewing, but so far it's the only toy I gave found that lasts him. I've replaced it once because it gets yucky looking after all the chewing but that's my choice. I definitely recommend thus one for an aggressive chewer!
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Reviewed in the United States on April 15, 2026
J
Verified Purchase
JET
Omaha, US
★★★★★ 3
Very well made, heavy, wasn’t a hit with my big puppy.
Super cute, but painted features came off right away. It shouldn’t have, as it is rarely touched. Sadly my dog showed little to no interest in it. She carried it a few times. I think it may the very heavy weight for a toy of this size. Idk, but as cute as this is, it just wasn’t a hit. It looks very durable overall and is a nice toy. I love the design. I only wish my large breed puppy liked it.
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Reviewed in the United States on January 1, 2026

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