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pMD18-T Simple Vector is a high-efficiency TA cloning vector constructed from pUC18, of which the initial multiple cloning sites (MCS) were destroyed. Thus the cDNA should be amplified by PCR with primers containing a restriction site for subclone. Competent cells appropriate for pUC18 are also appropriated for the Vector, e.g. JM109, DH5α, TOP10. The pMD18-T Simple Vector is 2.6kb in size. Selection of the plasmid in E. coli is conferred by the ampicillin resistance gene. The coding sequence was inserted by TA cloning at site 425.
The coding sequence can be amplified by PCR with M13-47 and RV-M primers.
|Human CSK ORF mammalian expression plasmid, C-GFPSpark tag||HG10740-ACG|
|Human CSK ORF mammalian expression plasmid, C-OFPSpark / RFP tag||HG10740-ACR|
|Human CSK ORF mammalian expression plasmid, N-GFPSpark tag||HG10740-ANG|
|Human CSK ORF mammalian expression plasmid, N-OFPSpark / RFP tag||HG10740-ANR|
|Human CSK ORF mammalian expression plasmid, C-Flag tag||HG10740-CF|
|Human CSK ORF mammalian expression plasmid, C-His tag||HG10740-CH|
|Human CSK ORF mammalian expression plasmid, C-Myc tag||HG10740-CM|
|Human CSK ORF mammalian expression plasmid, C-HA tag||HG10740-CY|
|Human CSK ORF mammalian expression plasmid, N-Flag tag||HG10740-NF|
|Human CSK ORF mammalian expression plasmid, N-His tag||HG10740-NH|
|Human CSK ORF mammalian expression plasmid, N-Myc tag||HG10740-NM|
|Human CSK ORF mammalian expression plasmid, N-HA tag||HG10740-NY|
|Human CSK natural ORF mammalian expression plasmid||HG10740-UT|
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The tyrosine kinase c-Src has been implicated as a modulator of cell proliferation, spreading, and migration. These functions are also regulated by Met. The structure of a large fragment of the c-Src kinase comprises the regulatory and kinase domains and the carboxy-terminal tall. c-Src kinase interactions among domains and is stabilized by binding of the phosphorylated tail to the SH2 domain. This molecule is locked in a conformation that simultaneously disrupts the kinase active site and sequesters the binding surfaces of the SH2 and SH3 domains. The structure shows how appropriate cellular signals, or transforming mutations in v-Src, could break these interactions to produce an open, active kinase. The protein-tyrosine kinase activity of c-Src kinase is inhibited by phosphorylation of tyr527, within the c-Src c-terminal tail. Genetic and biochemical data have suggested that this negative regulation requires an intact Src homology 2 (SH2) domain. Since SH2 domains recognize phosphotyrosine, it is possible that these two non-catalytic domains associate, and thereby repress c-Src kinase activity. Experiments have suggested that c-Src kinase plays a role in the biological behaviour of colonic carcinoma cells induced by migratory factors such as EGF, perhaps acting in conjunction with FAK to regulate focal adhesion turnover and tumour cell motility. Furthermore, although c-Src kinase has been implicated in colonic tumour progression, in the adenoma to carcinoma in vitro model c-Src is not the driving force for this progression but co-operates with other molecules in carcinoma development.