"Cd19" Related Products

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Recombinant Mouse Cd19 protein, His-tagged

Cat.No.: Cd19-3308M
Product Overview: Recombinant Mouse Cd19(Met1-Gly287) fused with His tag at C-terminal was expressed in HEK293.
Description: The cluster of differentiation (CD) system is commonly used as cell markers in immunophynotyping. Different kinds of cells in the immune system can be identified through the surface CD molecules which associating with the immune function of the cell. There are more than 320 CD unique clusters and subclusters have been identified. Some of the CD molecules serve as receptors or ligands important to the cell through initiating a signal cascade which then alter the behavior of the cell. Some CD proteins do not take part in cell signal process but have other functions such as cell adhesion. Cluster of differentiation 19 (CD19) is a member of CD system. CD19 is a cell surface molecule that assembles with the antigen receptor of B-cells. This results in a descent in threshold for antigen receptor-dependent stimulation. A simplified view holds that the ability of B-cells to respond to the various antigens in a specific and sensitive manner is achieved in the presence of low-affinity antigen receptors. CD19 primarily acts as a B-cell coreceptor in conjunction with CD21 and CD81. The formation of the receptor complex is induced by antigen and CD19, induced by exogenous antigen, has been found cytoplasmic tail phosphorylated and bind to sIg.
Source: HEK293
Species: Mouse
Tag : His
Predicted N Terminal: Gly 17
Form: Lyophilized from sterile PBS, pH 7.4
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special
Bio-activity: Measured by its ability to bind with human CD9-His(Cat:11029-H08H) in a functional ELISA.
Molecular Mass: The recombinant mouse CD19 consists of 282 amino acids and has a predicted molecular mass of 31 kDa.
Protein length: Met1-Gly287
Endotoxin: < 1.0 EU per μg of the protein as determined by the LAL method
Purity: > 90 % as determined by SDS-PAGE
Stability: Samples are stable for up to twelve months from date of receipt at -70 centigrade
Storage: Store it under sterile conditions at -20 centigrade to -80 centigrade. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution: A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Shipping: In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Gene Name: Cd19 CD19 antigen [ Mus musculus ]
Official Symbol: Cd19
Synonyms: CD19; CD19 antigen; B-lymphocyte antigen CD19; differentiation antigen CD19; AW495831;
Gene ID: 12478
mRNA Refseq: NM_009844
Protein Refseq: NP_033974
UniProt ID: P25918
Chromosome Location: 7 F3; 7 69.01 cM
Pathway: Adaptive Immune System, organism-specific biosystem; B Cell Receptor Signaling Pathway, organism-specific biosystem; B cell receptor signaling pathway, organism-specific biosystem; B cell receptor signaling pathway, conserved biosystem; Hematopoietic cell lineage, organism-specific biosystem; Hematopoietic cell lineage, conserved biosystem; Immune System, organism-specific biosystem;

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Optional requirements on this protein    +Expand
C-fusion    N-fusion   Non-tagged
His    GST   Fc   Others
<1.0 eu/μg    <0.1 eu/μg   <0.01 eu/μg   Not required
Monomer Isolation    Dimer Isolation    Not required
>80% by SDS-PAGE    >90% by SDS-PAGE   >95% by SDS-PAGE   Others

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