SKU: 20452435609

Alexa Fluor® 700 Rat Anti-Mouse CD4 Antibody (S-R542)

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Description

Alexa Fluor® 700 Rat Anti-Mouse CD4 Antibody (S-R542)Product Specification Host Rat Antigen CD4 Synonyms T cell surface glycoprotein CD4; T cell differentiation antigen L3T4; T cell surface antigen T4 Leu 3; Cd4 Location Cell membrane Accession P06332 Clone Number S R542 Antibody Type Rat mAb Isotype IgG2b,k Application FCM Reactivity Ms Positive Sample C57BL 6 mouse splenocytes Purification Protein G Concentration 0. 2 mg ml Conjugation Alexa Fluor 700 Physical Appearance Liquid Storage Buffer PBS, 1%

Product Specification


Host Rat
Antigen CD4
Synonyms T-cell surface glycoprotein CD4; T-cell differentiation antigen L3T4; T-cell surface antigen T4/Leu-3; Cd4
Location Cell membrane
Accession P06332
Clone Number S-R542
Antibody Type Rat mAb
Isotype IgG2b,k
Application FCM
Reactivity Ms
Positive Sample C57BL/6 mouse splenocytes
Purification Protein G
Concentration 0.2 mg/ml
Conjugation Alexa Fluor® 700
Physical Appearance Liquid
Storage Buffer

PBS, 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 1.25μl per million cells in 100μl volume Ms

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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SKU: 20452435609

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Literally doesn’t work
Dallas, US
★★★★★ 5
Great Value Toy
Color: Crinkle Duck (Blue), Size: Large, Color: Crinkle Duck (Blue), Size: Large
This toy has been one of my dog’s absolute favorites. He gets excited every time he sees it and will carry it around the house, toss it in the air, and keep himself entertained for a long time. The shape and texture seem perfect for him, and it quickly became one of his go-to toys over everything else in his basket. What I really like is that it holds up reasonably well for the price. It’s definitely not indestructible, and after a lot of play, it will sometimes start to rip—usually around the feet first since that’s where my dog tends to grab and chew the most. But honestly, considering how affordable it is, I don’t mind replacing it when needed. It’s inexpensive enough that rebuying feels worth it because he genuinely loves it that much. I’d rather keep buying a toy he is obsessed with than spend more on something that just sits untouched. It’s fun, cute, and keeps him happy, which is what matters most. Overall, I’d definitely recommend it for dogs who love plush toys and playful chewing.
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Reviewed in the United States on April 28, 2026
L
Verified Purchase
Lady B
Phoenix, US
★★★★★ 5
Best affordable squeaker toy
Color: Crinkle Chicken (Brown), Size: Large, Color: Crinkle Chicken (Brown), Size: Large
my dog is obsessed with this toy, this has became his new comfort toy and after having this for about four months the legs are falling off but it’s very durable. The squeaker also moved from the head of the chicken to the body of the chicken but that’s after it was played with every single day. I love that it has two squeakers and it’s the perfect toy for my dog.
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Reviewed in the United States on May 6, 2026
S
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Sara Salazar
Massapequa, US
★★★★★ 5
Beautiful design, perfect quality for seasoned destroyers.
Color: Crinkle Duck (Yellow), Size: Large
Absolutely adorable, excellent quality, I have a couple of monsters whose teeth make any kong toy tremble, I was very concerned whether something as soft and nice would last. So far so good. Good looking and soft and tough at the same time!.
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Reviewed in the United States on May 12, 2026
M
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MADDY
Boise, US
★★★★★ 5
Best fun indestructible toy
Color: Crinkle Duck (Yellow), Size: Large
Truly indestructible no matter how much our oittie tries. She has owned it for three months works at destroying every day with no success. She carries it everywhere. Best purchase for chewer, more fun than the popular rubber heavy duty toy. Do not hesitate your pup will thank you for this fun distraction.
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Reviewed in the United States on May 30, 2026
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DEBORAH C. JONES
Lexington, US
★★★★★ 4
Happy with quality & price
Color: Crinkle Duck (Yellow), Size: Large
Lasts longer than most toys for the price Only bought Kong or Outward Hound for my 17 lb Lhasa Apso in the past a
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Reviewed in the United States on May 30, 2026

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