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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.
|Rhesus SELL ORF mammalian expression plasmid, C-GFPSpark tag||CG90168-ACG|
|Rhesus SELL ORF mammalian expression plasmid, C-OFPSpark / RFP tag||CG90168-ACR|
|Rhesus SELL ORF mammalian expression plasmid, C-Flag tag||CG90168-CF|
|Rhesus SELL ORF mammalian expression plasmid, C-His tag||CG90168-CH|
|Rhesus SELL ORF mammalian expression plasmid, C-Myc tag||CG90168-CM|
|Rhesus SELL ORF mammalian expression plasmid, C-HA tag||CG90168-CY|
|Rhesus SELL ORF mammalian expression plasmid, N-Flag tag||CG90168-NF|
|Rhesus SELL ORF mammalian expression plasmid, N-His tag||CG90168-NH|
|Rhesus SELL ORF mammalian expression plasmid, N-Myc tag||CG90168-NM|
|Rhesus SELL ORF mammalian expression plasmid, N-HA tag||CG90168-NY|
|Rhesus SELL natural ORF mammalian expression plasmid||CG90168-UT|
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L-selectin (SELL), also known as CD62L, is a key adhesion molecule that regulates both the migration of leukocytes at sites of inflammation and the recirculation of lymphocytes between blood and lymphoid tissues. It belongs to the selectin family of proteins, and consisting of a large, highly glycosylated, extracellular domain, a single spanning transmembrane domain and a small cytoplasmic tail. L-selectin is the only selectin expressed on leukocytes and mediates a number of leukocyte-endothelial interactions. L-selectin acts as a "homing receptor" for leukocytes to enter secondary lymphoid tissues via high endothelial venules. Ligands present on endothelial cells will bind to leukocyte expressing L-selectin, slowing leukocyte trafficking through the blood, and facilitating entry into a secondary lymphoid organ at that point. L-selectin-mediated lymphocyte recirculation is required for maintaining the appropriate tissue distribution of lymphocyte subpopulations including naïve and effector subsets such as regulatory T cells. In addition, L-selectin-mediated entry into peripheral lymph nodes is required for optimal induction of lymphocyte homeostatic proliferation during lymphopenia. Importantly, L-selectin has been shown to have both adhesive and signaling functions during leukocyte migration. L-selectin has also been shown to mediate leukocyte recruitment during chronic inflammatory and autoimmune diseases and thus is a potential therapeutic target for drug development.