SKU: 5899503440

FGF R3 (IIIc) Fc Chimera Protein, Human

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Description

FGF R3 (IIIc) Fc Chimera Protein, HumanProduct Specification Species Human Synonyms FGF R3C,CD333,FGFR 3,FGFR3,JTK4 Accession P22607 1 Amino Acid Sequence Glu23 Gly375 with hIgG1 Fc Tag at the C Terminus Expression System HEK293 Molecular Weight 80 95kDa (Reducing) Purity 95% by SDS PAGE & > 80% by SEC HPLC Conjugation Unconjugated Tag Human IgG1 Fc Physical Appearance Lyophilized powder Storage Buffer PBS, PH7. 4, 5% trehalose Reconstitution Reconstitute at 0. 1 1 mg ml according to the

Product Specification


Species Human
Synonyms FGF R3C,CD333,FGFR-3,FGFR3,JTK4
Accession P22607-1
Amino Acid Sequence

Glu23-Gly375 with hIgG1 Fc Tag at the C-Terminus

Expression System HEK293
Molecular Weight

80-95kDa (Reducing)

Purity >95% by SDS-PAGE & > 80% by SEC-HPLC
Conjugation Unconjugated
Tag Human IgG1 Fc
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 R, Linscott J, Catto JWF, Daneshmand S, Faltas BM, Kamat AM, Meeks JJ, Necchi A, Pradere B, Ross JS, van der Heijden MS, van Rhijn BWG, Loriot Y. FGFR Inhibition in Urothelial Carcinoma. Eur Urol. 2025 Feb;87(2):110-122.
2.Asada N, Tanaka Y, Hayashido Y, Toratani S, Kan M, Kitamoto M, Nakanishi T, Kajiyama G, Chayama K, Okamoto T. Expression of fibroblast growth factor receptor genes in human hepatoma-derived cell lines. In Vitro Cell Dev Biol Anim. 2003 Jul-Aug;39(7):321-8.

Background

FGFR (fibroblast growth factor receptor) is a class of transmembrane proteins that consist of three immunoglobulin-like domains, a transmembrane region, and an intracellular tyrosine kinase domain. They transmit signals through ligand-induced dimerization and autophosphorylation, regulating cell growth and differentiation. Clinically, particularly in the case of FGFR3, gene alterations, abnormal expression (such as upregulation in epithelial tumors), and its activation of the PLCγ signaling pathway are closely associated with tumor development and resistance to endocrine therapies (such as tamoxifen), making it an important therapeutic target for cancer treatment.

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SKU: 5899503440

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4.3 ★★★★★
Based on 18 reviews
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Verified Purchase
Lou
Lowell, US
★★★★★ 5
a little roomy for narrow feet.
Size: 6 Big Kid, Color: Black/Black
Nice shoes. My little one has narrow feet so they are a little lose. Overall, a nice shoe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
K
Verified Purchase
KNE
Alexandria, US
★★★★★ 5
comfortable
Size: 7 Big Kid, Color: Black/Black
super comfortable!
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Reviewed in the United States on May 30, 2026
M
Verified Purchase
Mike Summers
West Palm Beach, US
★★★★★ 5
Great shoes
Size: 5 Big Kid, Color: Navy/Blue
Loved them but bought a size too small so had to buy another pair…my bad 🤦🏽‍♀️
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Reviewed in the United States on May 20, 2026
T
The Pacific Northwesterners
Belleville, US
★★★★★ 4
Comfortable and Easy to Wear Daily
Size: 2 Little Kid, Color: Navy/Blue
My daughter has been wearing these navy/blue shoes since the weather has been less rainy and more sunny. They are great for outdoor play, especially on days when it's warm outside. The knit mesh upper keeps her feet from overheating, and the cushioned insole feels supportive without being stiff. At size 2, the fit is accurate and the width runs a bit roomy, which gave her some growing room without feeling loose. The slip-on design with elastic laces and pull tabs is a real plus. She can get them on and off without any help, which she loves. The shoes are light enough that she barely notices them during long active days. My one small complaint is that the sole feels more like firm foam than rubber, so they can be a little slippery on smooth indoor floors. For the price, these deliver solid everyday value. They look good, hold up well to regular use, and my daughter reaches for them first most mornings. Pros: - Breathable mesh keeps feet cool - Easy slip-on design with elastic laces and pull tabs - Lightweight and comfortable for all-day wear - Accurate sizing with a roomy width - Durable for the price Cons: - Sole can be slippery on hard smooth surfaces - Limited outsole grip compared to rubber-soled shoes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
D
DR
Omaha, US
★★★★★ 5
Great kids' shoe — easy on, comfy all day
Size: 3 Little Kid, Color: Pink/Lavender
My kid has been wearing these for a few weeks now and I'm genuinely impressed with how well they've held up. The knit mesh upper keeps feet cool and comfortable during long days at school and outdoor play, and the cushioned EVA midsole does a great job absorbing impact. What really won me over is the slip-on design with elasticated laces and dual pull tabs — my child can put them on and take them off completely independently, which is a huge win. The fit is snug but not tight, and they run a bit roomy in width, which is great for kids with wider feet or those who need a little growing room. At $32, the quality feels solid for the price. Lightweight, breathable, and easy to wear — these check all the boxes for an everyday kids' shoe.
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Reviewed in the United States on May 23, 2026

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