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Home / Proteins & Peptide

Human CD19 protein, Fc tag (Animal-Free)

SKU : BHP13700115

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Abbkine Scientific Co., Ltd.

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Mfr.No.	PRP2030
Description	Human CD19 protein, Fc tag (Animal-Free), expressed in HEK 293 Cells
Alternative Names	CD19 Molecule;B-Lymphocyte Surface Antigen B4;T-Cell Surface Antigen Leu-12;Differentiation Antigen CD19;B-Lymphocyte Antigen CD19;CD19 Antigen;CVID3;CD19;B4
Features	Endotoxin:<1 EU per ug of the protein as determined by the LAL method.
Background	CD19 is a B-lineage-specific transmembrane glycoprotein, the expression of which is maintained on more than 95% B-cell malignancies. This strict lineage restriction makes CD19 an ideal target for immune therapies using chimeric antigen receptors (CARs). In normal cells, it is the most ubiquitously expressed protein in the B lymphocyte lineage. CD19 expression is induced at the point of B lineage commitment during the differentiation of the hematopoietic stem cell, and its expression continues through preB and mature B cell differentiation until it is finally down-regulated during terminal differentiation into plasma cells. CD19 expression is maintained in B-lineage cells that have undergone neoplastic transformation, and therefore CD19 is useful in diagnosis of leukemias and lymphomas using monoclonal antibodies (mAbs) and flow cytometry.
Tag	CD19
Formulation	0.22 um filtered protein solution is in PBS, pH 7.4.
Molecular Weight	56.9 kDa
Usage	Always centrifuge tubes before opening. It is recommended to reconstitute the lyophilized human CD19 protein using the buffer we provided not less than 100 ug/mL, which can then be further diluted to other aqueous solutions.
Accession Number	P15391-1
Precautions	The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.
Protein Length	The recombinant human CD19 protein consists of 509 amino acids and predicts a molecular mass of 56.9 kD. The apparent molecular mass of the human CD19 is approximately 70-90 kDa in SDS-PAGE under reducing conditions due to glycosylation.
Others	Preparation Method: HEK 293 Cells

Sequence	Amino acid sequence derived from human CD19 protein (P15391-1, Pro20-Lys291) was expressed with the Fc region of human IgG1 at the C-terminus.

Purity	>90% as determined by SDS-PAGE
Storage	Lyophilized Human CD19 protein, Fc tag (Animal-Free)should be stored desiccated below -20°C. Upon reconstitution, the protein should be stored at 4°C between 2-7 days and for future use below -20°C. For long term storage it is recommended to add a carrier protein (0.109% HSA or BSA). Please prevent freeze-thaw cycles.

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SKU	Supplier No.	Size	Your price	Quantity
BHP13700115	PRP2030	10 ug	$59		Add to Cart
BHP13700115	PRP2030	50 ug	$149		Add to Cart
BHP13700115	PRP2030	100 ug	$219		Add to Cart
BHP13700115	PRP2030	1 mg	$1879		Add to Cart

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