SKU: 76594300792

PE Mouse Anti-Human CD19 Antibody (S-R503-2)

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Description

PE Mouse Anti-Human CD19 Antibody (S-R503-2)Product Specification Host Mouse Antigen CD19 Synonyms B lymphocyte antigen CD19; B lymphocyte surface antigen B4; Differentiation antigen CD19; T cell surface antigen Leu 12 Location Cell membrane Accession P15391 Clone Number S R503 2 Antibody Type Mouse mAb Isotype IgG1 Application FCM Reactivity Hu Positive Sample human PBMC Purification Protein G Concentration 0. 2 mg ml Conjugation PE Physical Appearance Liquid Storage Buffer PBS, 1% BSA, 0. 3%

Product Specification


Host Mouse
Antigen CD19
Synonyms B-lymphocyte antigen CD19; B-lymphocyte surface antigen B4; Differentiation antigen CD19; T-cell surface antigen Leu-12
Location Cell membrane
Accession P15391
Clone Number S-R503-2
Antibody Type Mouse mAb
Isotype IgG1
Application FCM
Reactivity Hu
Positive Sample human PBMC
Purification Protein G
Concentration 0.2 mg/ml
Conjugation PE
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 Hu

Background

CD19, also known as B-lymphocyte antigen CD19 or B-Lymphocyte Surface Antigen B4, is a 95 kDa type I transmembrane glycoprotein that belongs to the immunoglobulin superfamily and is encoded by the CD19 gene. It is primarily expressed on all B lineage cells, from early pro-B cells to plasma cells, and plays a crucial role in B cell development, activation, and signaling. As a co-receptor, CD19 enhances signaling through the B cell receptor (BCR) complex, lowering the threshold for B cell activation and promoting B cell proliferation and differentiation. It forms a complex with CD21, CD81, and other proteins, which helps in the recognition of antigens tagged with complement and amplifies BCR signaling. CD19 is also a biomarker for B cell-related diseases and a target for immunotherapies, including monoclonal antibodies and CAR-T cell therapies, due to its consistent expression on B cells and B cell malignancies.

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SKU: 76594300792

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4.0 ★★★★★
Based on 16 reviews
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Toyfreek
Pawtucket, US
★★★★★ 2
Strong well made but ..
Color: Gold
Coring tool broke as soon as I tried to loosen the top. As far as a tube goes it is great. Seals tight, solid Aluminum throughout. You could throw this off a tall building and it would be fine afterwards.
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Reviewed in the United States on April 26, 2026
H
HECTOR R BRITO
Waukegan, US
★★★★★ 5
I love this thing!
I can't overstate how much I love this thing! As someone who enjoys a good cigar on the go, I've tried various single cigar cases, but this one is in a league of its own. First, the build quality is outstanding. The aluminum alloy feels incredibly solid and durable in your hand. It's clear this was made to last. I have no doubt that my cigar is perfectly protected from being crushed or damaged when it's in this thing. The convenience factor is a 10/10. It’s sleek, compact, and makes carrying a single cigar effortless. But it's the brilliant integration of accessories that, for me, truly sets it apart. Having a sharp, reliable punch built right in is fantastic. The built-in hygrometer gives me total peace of mind that my cigar is staying perfectly fresh, and the clever design that allows the top to double as a cigar holder is just plain genius. This tube is the perfect, all-in-one solution for any cigar aficionado who travels or simply likes to be prepared. I'd recommend it to anyone without a moment's hesitation. Five stars all the way!
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Reviewed in the United States on August 28, 2025
A
Arnaud V.
Grantham, US
★★★★★ 5
Nice light saber handle with some room for a cigar lol
I'll go straight to the point: this cigar tube is great! I really like the material, it's made of thick aluminium and it's design is both classy and nerdy at the same time, it looks like a jedi light saber handle lol The hygrometer seems to be accurate, close to my other ones, it's a nice extra functionality. The size of the tube is big enough for my largest cigars, so all good here. I recommend it, either as a gift to yourself (because you deserve it!), or father's day, or any good occasion!
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Reviewed in the United States on August 20, 2025
A
Alissa M.
Alexandria, US
★★★★★ 4
does the job!
I bought the DXXULL 4-in-1 Cigar Tube as a gift for my husband, and overall, it’s been a solid choice. He travels often and enjoys cigars, so this compact, all-in-one tube really suits his lifestyle. The aluminum alloy feels sturdy and well-made, and the built-in cigar punch, hygrometer, and holder add a nice touch of convenience. It’s sleek and functional—he’s used it several times already without any issues. While I do think it’s a bit overpriced for its size, the quality and thoughtful design make up for it. If you’re looking for a practical, stylish gift for a cigar lover, this tube does the job well.
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Reviewed in the United States on October 30, 2025
O
Optimus Prime
Lake Worth, US
★★★★★ 3
won't fit Churchill length or 60-ring diameter cigars
Color: Gold, Color: Gold
This is a good-looking device, solidly built, with a handy twist-out punch in the top and a humidity gauge in the bottom. The hygrometer is pointless, because there is no way to add anything to actually maintain the humidity, and since I would only use it to bring a cigar to a gathering, it really does not need to maintain that humidity for the 20-minute drive. What really bugs me about this is the actual useable size. I primarily smoke 2 types of cigars, 54-ring Churchills (which are 7") and 60-ring Gorditos (which are 6"). Although the overall length of this is 8 1/4", the listing never mentions the interior space, which seems to be just under 6 1/2" when closed. My Montecristo sticks out about 1/4" when I insert it, and that does not take into account the 1/4" that the top pushes into when closed (that silver-colored area is solid), thus less than 6 1/2" useable length. Even out of the wrapper, my 60-ring Gorditos sticks when I try to push it in, so I'd have to take off the band(s) to force it in, and it would not slide out very easily, so I would mangle the cigar trying to get it out. So, this can hold a cigar that is 6" or less and maybe 54-ring without the wrapper. Anything else, and you would have to force it in and force it out. So, this unit, while very good looking and well built, does not work for my cigar needs.
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Reviewed in the United States on June 13, 2025

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