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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.
|Human CLPS Gene cDNA Clone (full-length ORF Clone), expression ready, FLAG-tagged||HG13631-G-F|
|Human CLPS Gene cDNA Clone (full-length ORF Clone), expression ready, His-tagged||HG13631-G-H|
|Human CLPS Gene cDNA Clone (full-length ORF Clone), expression ready, Myc-tagged||HG13631-G-M|
|Human CLPS Gene cDNA Clone (full-length ORF Clone), expression ready, untagged||HG13631-G-N|
|Human CLPS Gene cDNA Clone (full-length ORF Clone), expression ready, HA-tagged||HG13631-G-Y|
Colipase belongs to the colipase family. Structural studies of the complex and of colipase alone have revealed the functionality of its architecture. It is a small protein with five conserved disulphide bonds. Structural analogies have been recognised between a developmental protein, the pancreatic lipase C-terminal domain, the N-terminal domains of lipoxygenases and the C-terminal domain of alpha-toxin. Colipase can only be detected in pancreatic acinar cells, suggesting regulation of expression by tissue-specific elements. Colipase allows lipase to anchor noncovalently to the surface of lipid micelles, counteracting the destabilizing influence of intestinal bile salts. Without colipase the enzyme is washed off by bile salts, which have an inhibitory effect on the lipase. Colipase is a cofactor needed by pancreatic lipase for efficient dietary lipid hydrolysis. It binds to the C-terminal, non-catalytic domain of lipase, thereby stabilising as active conformation and considerably increasing the overall hydrophobic binding site.