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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.
|Rat CD38 ORF mammalian expression plasmid, C-GFPSpark tag||RG80229-ACG|
|Rat CD38 ORF mammalian expression plasmid, C-OFPSpark / RFP tag||RG80229-ACR|
|Rat CD38 ORF mammalian expression plasmid, C-Flag tag||RG80229-CF|
|Rat CD38 ORF mammalian expression plasmid, C-His tag||RG80229-CH|
|Rat CD38 ORF mammalian expression plasmid, C-Myc tag||RG80229-CM|
|Rat CD38 ORF mammalian expression plasmid, C-HA tag||RG80229-CY|
|Rat CD38 ORF mammalian expression plasmid, N-Flag tag||RG80229-NF|
|Rat CD38 ORF mammalian expression plasmid, N-His tag||RG80229-NH|
|Rat CD38 ORF mammalian expression plasmid, N-Myc tag||RG80229-NM|
|Rat CD38 ORF mammalian expression plasmid, N-HA tag||RG80229-NY|
|Rat CD38 natural ORF mammalian expression plasmid||RG80229-UT|
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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 38 (CD38), also known as ADP-ribosyl cyclase, is a glycoprotein found on the surface of many immune cells (white blood cells), including CD4+, CD8+, B and natural killer cells. It shares several characteristics with ADP-ribosyl cyclase 2 CD157. CD38 is a multifunctional ectoenzyme that catalyzes the synthesis and hydrolysis of cyclic ADP-ribose (cADPR) from NAD+ to ADP-ribose. It also functions in cell adhesion, signal transduction and calcium signaling. CD38 has been used as a prognostic marker in leukemia. It can also be used to identify plasma cells.