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The pGEM-T is 3kb in length, and contains the amplicin resistance gene, conferring selection of the plasmid in E. coli, and the ori site which is the bacterial origin of replication. The plasmid has multiple cloning sites as shown below. The coding sequence was inserted by TA cloning. Many E. coli strains are suitable for the propagation of this vector including JM109, DH5α and TOP10.
The coding sequence can be easily obtained by digesting the vector with proper restriction enzyme(s). The coding sequence can also be amplified by PCR with M13 primers, or primer pair SP6 and T7.
|Mouse FCER2A ORF mammalian expression plasmid, C-GFPSpark tag||MG50695-ACG|
|Mouse FCER2A ORF mammalian expression plasmid, C-OFPSpark / RFP tag||MG50695-ACR|
|Mouse FCER2A ORF mammalian expression plasmid, C-Flag tag||MG50695-CF|
|Mouse FCER2A ORF mammalian expression plasmid, C-His tag||MG50695-CH|
|Mouse FCER2A ORF mammalian expression plasmid, C-Myc tag||MG50695-CM|
|Mouse FCER2A ORF mammalian expression plasmid, C-HA tag||MG50695-CY|
|Mouse FCER2A ORF mammalian expression plasmid, N-Flag tag||MG50695-NF|
|Mouse FCER2A ORF mammalian expression plasmid, N-His tag||MG50695-NH|
|Mouse FCER2A ORF mammalian expression plasmid, N-Myc tag||MG50695-NM|
|Mouse FCER2A ORF mammalian expression plasmid, N-HA tag||MG50695-NY|
|Mouse FCER2A natural ORF mammalian expression plasmid||MG50695-UT|
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Fc fragment of IgE, low affinity II, receptor for (CD23) or CD23 antigen is a member of the cluster of differentiation family. The cluster of differentiation (cluster of designation) (often abbreviated as CD) is a protocol used for the identification and investigation of cell surface molecules present on white blood cells initially but found in almost any kind of cell of the body, providing targets for immunophenotyping of cells. Physiologically, CD molecules can act in numerous ways, often acting as receptors or ligands (the molecule that activates a receptor) important to the cell. A signal cascade is usually initiated, altering the behavior of the cell (see cell signaling). Some CD proteins do not play a role in cell signaling, but have other functions, such as cell adhesion. CD23/FCER2 is a B-cell specific antigen, and a low-affinity receptor for IgE. It has essential roles in B cell growth and differentiation, and the regulation of IgE production. This protein also exists as a soluble secreted form, then functioning as a potent mitogenic growth factor. Increased levels of soluble CD23/FCER2 cause the recruitment of non-sensitised B-cells in the presentation of antigen peptides to allergen-specific B-cells, therefore increasing the production of allergen specific IgE. IgE, in turn, is known to upregulate the cellular expression of CD23 and Fc epsilon RI (high-affinity IgE receptor).