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ACROBiosystems Biotinylated Human CD19, Fc Tag, ultra sensitivity (primary amine labeling) DMF Filed

Brand:  ACROBiosystems CD9-H8259-25UG

Additional Details : Weight : 0.00001kg

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Product Code. 15816337

  • 388.38€ / 25µg


Estimated Shipment: 20-10-2021
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Description

Description

B-lymphocyte antigen CD19, is a single-pass type I membrane protein which contains two Ig-like C2-type (immunoglobulin-like) domains. CD19 is expressed on follicular dendritic cells and B cells. Upon activation, the cytoplasmic tail of CD19 becomes phosphorylated, which leads to binding by Src-family kinases and recruitment of PI-3 kinase. As on T cells, several surface molecules form the antigen receptor and form a complex on B lymphocytes. The (almost) B cell-specific CD19 phosphoglycoprotein is one of these molecules. The others are CD21 and CD81. These surface immunoglobulin (sIg)-associated molecules facilitate signal transduction. On living B cells, anti-immunoglobulin antibody mimicking exogenous antigen causes CD19 to bind to sIg and internalize with it. The reverse process has not been demonstrated, suggesting that formation of this receptor complex is antigen-induced. This molecular association has been confirmed by chemical studies. Mutations in CD19 are associated with severe immunodeficiency syndromes characterized by diminished antibody production. CD19 has been shown to interact with: CD81, CD82, Complement receptor 2, and VAV2.

This protein carries a human IgG1 Fc fragment at the C-terminus. The protein has a calculated MW of 56.3 kDa. The protein migrates as 60-90 kDa on a SDS-PAGE gel under reducing (R) condition due to glycosylation.
Specifications

Specifications

NP_001761.3
HEK293
Human
56.3 kDa
25 µg
Pro 20 - Lys 291
CD19,B4,CVID3,MGC12802
UltraLys
PBS, pH7.4
Less than 1.0 EU / µg by the LAL method.
MABSol™ Biotin Labeled Proteins
Powder
>95% as determined by reduced SDS-PAGE
MABSol™ Biotinylated Human CD19, Fc Tag, primary amine labeling (CD9-H8259) is expressed from human HEK293 cells. It contains AA Pro 20 - Lys 291 (Accession # P15391-1). It is the biotinylated form of Human CD19, Fc Tag (Cat. No. CD9-H5259).
-20°C
CD19
Fc Tag
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