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Description
Alexa Fluor 647-Labeled CD20 Flag&His Tag Full Length Protein, Human (Detergent)Product Specification Species Human Synonyms B lymphocyte surface antigen B1MS4A1B lymphocyte antigen CD20Membrane Spanning 4 Domains A1Leukocyte Surface Antigen Leu 16CD20 AntigenCD20Bp35Membrane Spanning 4 Domains Subfamily A Member 1CD20 ReceptorLEU 16CVID5MS4A2B1S7Antigens CD20Membrane Spanning 4 Domains Subfamily A Member 1B Lymphocyte Cell Surface Antigen B1 Accession P11836 Amino Acid Sequence Full length, with Flag tag at N Terminus, and His
Product Specification
| Species | Human |
| Synonyms | B-lymphocyte surface antigen B1，MS4A1，B-lymphocyte antigen CD20，Membrane Spanning 4-Domains A1，Leukocyte Surface Antigen Leu-16，CD20 Antigen，CD20，Bp35，Membrane-Spanning 4-Domains Subfamily A Member 1，CD20 Receptor，LEU-16，CVID5，MS4A2，B1，S7，Antigens， CD20，Membrane-Spanning 4-Domains， Subfamily A， Member 1，B-Lymphocyte Cell-Surface Antigen B1 |
| Accession | P11836 |
| Amino Acid Sequence | Full length, with Flag tag at N-Terminus, and His tag at C-Terminus |
| Expression System | HEK293 |
| Molecular Weight | 35.4 kDa |
| Conjugation | Alexa Fluor® 647 |
| Tag | His Tag, Flag Tag |
| Physical Appearance | Liquid |
| Storage Buffer | 25mM Hepes,150mM NaCl,0.02%DDM |
| Stability & Storage |
· 16 months from date of receipt stored at -80℃. |
| Reference | 1. Rougé L, Chiang N, Steffek M, et al. Structure of CD20 in complex with the therapeutic monoclonal antibody rituximab[J]. Science, 2020, 367(6483): 1224-1230. |
Background
CD20 is a 33-37 kDa non-glycosylated protein present on the surface of normal and malignant B lymphocytes and is a member of the MS4A (membrane-spanning 4-domain family A) protein family. The CD20 protein comprises four hydrophobic transmembrane domains, one intracellular domain, and two extracellular domains (a large loop and a small loop), with both the N- and C-termini located within the cytosol. CD20 is associated with several key molecules, including the major histocompatibility complex class II (MHCII), CD40 molecule, B-cell receptor (BCR), and the C-terminal src kinase-binding protein (CBP). CBP interacts with Src kinases such as LYN, FYN, and LCK.A deficiency in CD20 has been shown to result in a reduced number of circulating memory B cells, decreased isotype switching of immunoglobulins (Ig), and lower IgG antibody levels. It is also linked to various pathophysiological diseases and disorders.CD20 plays a crucial role in multiple physiological processes and is thus a promising therapeutic target. The CD20 protein product has the potential to enhance drug discovery efforts in related fields.
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4.4 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Works great, smells good, and does not leave you feeling slimy or greasy.
Size: 20.3 Fl Oz (Pack of 3)
This stuff is the best for men who do not like feeling greasy when they use lotion. It works good for healing and preventing cracking and drying of skin, but it may have to be applied multiple times a day for people with very dry skin.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Great product at a great price
Size: 20.3 Fl Oz (Pack of 3)
Great price for a product that I have used and liked for years. Lotion dries quickly and has nice masculine scent. In addition to moisturizing my hands, I also use it for aftershave lotion on my face.
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Reviewed in the United States on January 30, 2026
★★★★★ 4
Lot of Waste but Great Lotion
Size: 20.3 Fl Oz (Pack of 3), Size: 20.3 Fl Oz (Pack of 3)
I have eczema and have tried dozens of lotions, and this one works great for me. The reason I have settled on this one is that it works great for my skin, not greasy, and I like the smell, not being too strong and feminine like most lotions.
My only complaint is that there is a ton of leftover lotion in the bottom that the pump can't reach. I have the cut the bottle open each time so I don't waste it.
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Reviewed in the United States on October 21, 2025
★★★★★ 5
Great product
Size: 20.3 Fl Oz (Pack of 3)
Great value for the price. Lightweight & doesn’t feel greasy. Great moisturizer.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Best lotion I can find
Size: 20.3 Fl Oz (Pack of 3)
Lubriderm discontinued the perfect men’s 3-in-1 lotion and it’s no longer available. After trying multiple substitutions, I found this. Mind you, I have scent and skin issues and NORMALLY buy unscented. I was concerned that this would cause issues and quite the opposite happened. I’ve discovered it works BETTER than the previously mention “perfect product” and though it is scented, the scent is pleasurable and super quick to fade, not at all overpowering and truly quite enjoyable. A fresh boost without causing me ANY problems. I am so pleased with this Vaseline product that I’m actually better now about keeping my skin hydrated, and, find myself humming while dressing post shower and application (I apply at the conclusion of my shower while still in the shower. That’s new - I hadn’t noticed or thought about it until my spouse asked me “why the good mood in the mornings lately.” Subconscious I guess but it’s a great way to start long days feeling clean and confident, rather than just washed, rinsed and repeat.
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Reviewed in the United States on June 12, 2023