SKU: 87085789820

Alexa Fluor® 488 Mouse Anti-Human Siglec-2/CD22 Antibody (S-565-1)

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Description

Alexa Fluor® 488 Mouse Anti-Human Siglec-2/CD22 Antibody (S-565-1)Product Specification Host Mouse Antigen Siglec 2 CD22 Synonyms B cell receptor CD22; B lymphocyte cell adhesion molecule (BL CAM); Sialic acid binding Ig like lectin 2 (Siglec 2); T cell surface antigen Leu 14; SIGLEC2; Location Cell membrane Accession P20273 Clone Number S 565 1 Antibody Type Mouse mAb Isotype IgG1,k Application FCM Reactivity Hu Positive Sample human peripheral blood lymphocytes Purification Protein G Concentration 0. 05mg ml

Product Specification


Host Mouse
Antigen Siglec-2/CD22
Synonyms B-cell receptor CD22; B-lymphocyte cell adhesion molecule (BL-CAM); Sialic acid-binding Ig-like lectin 2 (Siglec-2); T-cell surface antigen Leu-14; SIGLEC2;
Location Cell membrane
Accession P20273
Clone Number S-565-1
Antibody Type Mouse mAb
Isotype IgG1,k
Application FCM
Reactivity Hu
Positive Sample human peripheral blood lymphocytes
Purification Protein G
Concentration 0.05mg/ml
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 5μl per million cells in 100μl volume Hu

Background

Siglec-2, also known as CD22, is a sialic acid-binding immunoglobulin-type lectin predominantly expressed on B cells in humans and other mammals. It is a 140 kDa glycoprotein with seven Ig-like domains and multiple intracellular ITIM motifs, showing high selectivity for α2-6 linked sialic acids. CD22 spontaneously associates with the B cell receptor (BCR) in a sialic acid-independent manner and down-regulates B cell activation. The binding of CD22 to its sialoglycan ligands can either activate or suppress B cell function, depending on the location of the ligands. For instance, cis-ligation on the same cell membrane enhances B cell activation by sequestering CD22 away from the BCR, while trans-ligation with sialoglycans on antigen-presenting cells can inhibit the BCR. CD22 is heavily glycosylated, containing 11 potential N-glycosylation sites, six of which are in the N-terminal two domains. It is also involved in various biological processes, such as B cell homing and adhesion to other immune cells. Additionally, CD22 is a target receptor in anti-cancer therapies for lymphoma and leukemia, as well as in the treatment of autoimmune diseases like lupus and rheumatoid arthritis.

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Exchange/Return Notes
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SKU: 87085789820

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4.2 ★★★★★
Based on 26 reviews
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Rmanuel
Phoenix, US
★★★★★ 1
Paid for new, received used.
Size: 9.5 Wide, Color: Cognac, Size: 9.5 Wide, Color: Cognac
Arrived dirty as if someone whore it for more than a few days. Maybe I was mistaken, but I saw nothing about “previously used” on the Amazon page. Returned it. I would suggest that the company use quality control when it comes to shipping. The shoes seem find otherwise. I ordered 9.5 and it was just a bit tight. If I reorder I will go for size 10.
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Reviewed in the United States on June 11, 2026
F
Verified Purchase
Fletch
Whiting, US
★★★★★ 5
Overall Great.
Size: 10.5 Wide, Color: Black
Great product. Great value. Great style. Overall great.
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Reviewed in the United States on March 3, 2026
B
Verified Purchase
B.J. G
Dallas, US
★★★★★ 3
Decent Shoes with Misleading Description (Not Leather)
Size: 12 Wide, Color: Black, Size: 12 Wide, Color: Black
I only look for leather when I’m purchasing dress shoes. Under the description “details” on this item it lists the shoe as leather upper and inner lining. A photo shows “genuine Napa leather lining”. If you keep reading (which I have now that I’ve received the shoes) it shows “faux leather” in the small print and that is not “leather”. I run a small leather business and this irks me because it’s clearly false advertising. The details also show the product is made in Brazil but when they arrived today, the shoe tag shows “Made in China” and “Man Made upper and lower”. I don’t hate the shoes. They look nice. What I know is they won’t hold up over time like leather, which is why the description should be accurate and not misleading.
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Reviewed in the United States on March 28, 2026
A
Verified Purchase
Amazon Customer
Port Orchard, US
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
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Reviewed in the United States on May 20, 2026
A
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Amazon Customer
Phoenix, US
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
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Reviewed in the United States on May 24, 2026

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