SKU: 44467288756

Alexa Fluor® 488 Rat Anti-Mouse CD4 antibody (S-1259-5)

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Description

Alexa Fluor® 488 Rat Anti-Mouse CD4 antibody (S-1259-5)Product Specification Host Rat Antigen CD4 Synonyms T cell surface glycoprotein CD4; T cell differentiation antigen L3T4; T cell surface antigen T4 Leu 3 Immunogen Recombinant Protein Location Cell membrane Accession P06332 Clone Number S 1259 5 Antibody Type Rat mAb Isotype IgG1,k Conjugation Alexa Fluor 488 Physical Appearance Liquid Storage Buffer PBS, 25% Glycerol, 1% BSA, 0. 3% Proclin 300 Stability & Storage 12 months from date of receipt

Product Specification


Host Rat
Antigen CD4
Synonyms T-cell surface glycoprotein CD4; T-cell differentiation antigen L3T4; T-cell surface antigen T4/Leu-3
Immunogen Recombinant Protein
Location Cell membrane
Accession P06332
Clone Number S-1259-5
Antibody Type Rat mAb
Isotype IgG1,k
Conjugation Alexa Fluor® 488
Physical Appearance Liquid
Storage Buffer

PBS, 25% Glycerol, 1% BSA, 0.3% Proclin 300

Stability & Storage 12 months from date of receipt / reconstitution, 2 to 8 °C as supplied

Dilution


application dilution species
FCM 5 μl per million cells in 100μl volume

Background

CD4 is a glycoprotein that functions as a co-receptor for the T-cell receptor (TCR) and is primarily expressed on the surface of helper T cells, monocytes, macrophages, and dendritic cells. It is a member of the immunoglobulin superfamily, consisting of four immunoglobulin domains (D1 to D4) that interact with MHC class II molecules on antigen-presenting cells. This interaction, mediated by the D1 domain of CD4, ensures that T cells recognize antigens presented by MHC II. The cytoplasmic tail of CD4 contains motifs that recruit the tyrosine kinase Lck, which amplifies T cell activation signals. Additionally, CD4 is crucial in the immune response, as it helps activate CD4+ T helper cells, which in turn stimulate other immune cells to combat infections. However, CD4 is also the primary receptor for HIV, allowing the virus to enter host T cells and cause immunodeficiency.

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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SKU: 44467288756

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4.8 ★★★★★
Based on 29 reviews
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M
Verified Purchase
Mo
Houston, US
★★★★★ 5
A Hardy Toy for Chewers
Color: Bule Octopus, Size: For Larege Dogs, Color: Bule Octopus, Size: For Larege Dogs
I must say I was very surprised with the durability of this toy. We've had it for 3 days and not one puncture hole. My rescue is a destroy chewer that doesn't care for Hardy chew toys unless it squeaks. While the squeaker isn't the best, he still loves it. We put peanut butter in the grooves for him and he goes to town. Will purchase again should he ever destroys it, worth the price!
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Reviewed in the United States on May 8, 2026
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Verified Purchase
Jeffrey Brown
Los Angeles, US
★★★★★ 5
Durable toy for a great price! Will buy again.
Color: A Red, Size: For Larege Dogs, Color: A Red, Size: For Larege Dogs
Great toy, heavy, good size, and durable for active chewers. My two dogs like to play tug a war a lot and this toy has held up fantastically! Afterwards they tend to chew toys to pieces but this one has stood the test of time so far. Great buy!
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Reviewed in the United States on May 14, 2026
S
Verified Purchase
SHUGRLTARA
Fort Morgan, US
★★★★★ 4
Very tough & VERY heavy
Color: A Red, Size: For Larege Dogs
My dog is a half black lab/half pittie & a very aggressive chewer she goes through toy bones very quickly, to the point they're so slivered up within 2 days, sometimes slightly longer, I have to get rid of them, they never last long, except for whole antlers and some split antlers. Although she rarely touches the whole antlers . Anyways, this is a great tough toy for strong large breeds. It squeaks in the center if you squeeze hard enough but the toy/bone was a bit too heavy for my girl. I got her the next smaller one and she still plays with the big heavier one more than the one that fits her perfectly so go figure. It's a great product and definitely recommend for heavy chewers. I only took a star off because of the weight I was extremely surprised by how heavy it was, but that's not necessarily a bad thing depending on the dog, this size is just not for my dog. I think I've had it about a month and she does play with it, not as much as her other toys, but it's still in amazing shape even with her heavy chewing.
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Reviewed in the United States on April 21, 2024
A
Verified Purchase
Alannah Henry
Houston, US
★★★★★ 5
Squeaky Toy for Aggressive Chewers
Color: A Violet, Size: For Larege Dogs
Size is great for our big dog, he loves to chew & squeak it. engagement, our dog loves playing fetch, hours of enjoyment.
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Reviewed in the United States on May 21, 2026
E
Verified Purchase
Elizabeth
Bozeman, US
★★★★★ 3
Maybe not for super aggressive chewers
Color: A Violet, Size: For Larege Dogs, Color: A Violet, Size: For Larege Dogs
I had high hopes for this toy, I was so excited about it. I have aggressive chewers, two Malinois/Dutch Shepard mixes and a Pit. The Shepard's chewed pieces off of it in literally 5 minutes. At the ends there is a small lip and that's where they started chewing pieces off. I had ordered a second one before I gave them this one (early Christmas present) because when I received it I noticed it felt very sturdy and durable. They do like it so since they already chewed this one I'm going to see if I can shave that lip off and maybe they won't get anymore pieces off. That'll decide if I return the one that arrives tomorrow. Maybe not good for super aggressive chewers. It's very thick and seems well made. Might just be better for other dogs.
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Reviewed in the United States on December 21, 2025

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