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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Exchange/Return Notes
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SKU: 76594300792

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Kate
Lexington, US
★★★★★ 5
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Size: X-Large, Color: Set-unbl
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Reviewed in the United States on April 24, 2026
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Cme411
Port Orchard, US
★★★★★ 3
They're ok
Size: Large, Color: Set-mu2
These are ok. I'm 5'6", 150lbs. I got a large. The colors are fun. The waist band is comfortable, fits well, doesn't dig in, and sits high enough to not affect a my C-section scar, but they constantly ride up.
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Reviewed in the United States on March 12, 2026
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Anonymous
New York, US
★★★★★ 5
Cotton panties need to be the standard- these are amazing!
Color: C-multicolor(6 Pack), Size: Medium
SO comfortable!! I’ve never owned a pair of 95-100% cotton underwear and I’m never going back. These are so breathable, soft and well made for an affordable price! The lacey detail is so cute and feminine. I got the mediums cause I don’t like my underwear squeezing me but don’t want them too loose either. After washing and drying they fit nicely. They hit at waist as well which I love. Would definitely recommend!
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Reviewed in the United States on May 28, 2026
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Richard B.
West Palm Beach, US
★★★★★ 5
Fantastic
Color: A-multicolor(6 Pack), Size: Large
Very soft and comfortable no riding up
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Reviewed in the United States on May 25, 2026
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Angie_00
Fort Morgan, US
★★★★★ 5
Comfortable Cotton Underwear
These cotton underwear are the perfect combination of comfort and cuteness. They fit true to size and feel very soft and comfortable for everyday wear. The cotton material is breathable and comfortable enough to wear all day without any issues. I also really like the lace detail. It adds a little bit of style and femininity without taking away from the comfort at all. The lace is soft rather than itchy, which is a huge plus. The colors are all pretty and exactly as pictured. They also hold up well after washing. I did not notice any shrinking, stretching, or fading, and they kept their shape nicely. Overall, these are comfortable, flattering, and well made underwear.
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