|Vector Type||Mammalian Expression Vector|
|Expression Method||Constiutive, Stable / Transient|
|Selection In Mammalian Cells||Hygromycin|
FLAG-tag, or FLAG octapeptide, is a polypeptide protein tag that can be added to a protein using recombinant DNA technology. It can be used for affinity chromatography, then used to separate recombinant, overexpressed protein from wild-type protein expressed by the host organism. It can also be used in the isolation of protein complexes with multiple subunits.
A FLAG-tag can be used in many different assays that require recognition by an antibody. If there is no antibody against the studied protein, adding a FLAG-tag to this protein allows one to follow the protein with an antibody against the FLAG sequence. Examples are cellular localization studies by immunofluorescence or detection by SDS PAGE protein electrophoresis.
The peptide sequence of the FLAG-tag from the N-terminus to the C-terminus is: DYKDDDDK (1012 Da). It can be used in conjunction with other affinity tags, for example a polyhistidine tag (His-tag), HA-tag or Myc-tag. It can be fused to the C-terminus or the N-terminus of a protein. Some commercially available antibodies (e.g., M1/4E11) recognize the epitope only when it is present at the N-terminus. However, other available antibodies (e.g., M2) are position-insensitive.
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體), C-GFPSpark 標籤||HG11657-ACG|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體), C-OFPSpark 標籤||HG11657-ACR|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體), C-Flag 標籤||HG11657-CF|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體), C-His 標籤||HG11657-CH|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體), C-Myc 標籤||HG11657-CM|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體), C-HA 標籤||HG11657-CY|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF(克隆載體)||HG11657-M|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體), N-Flag 標籤||HG11657-NF|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體), N-His 標籤||HG11657-NH|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體), N-Myc 標籤||HG11657-NM|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體), N-HA 標籤||HG11657-NY|
|人 EphA7/Eph Receptor A7 基因全長cDNA ORF克隆 (表達載體)||HG11657-UT|
Ephrin type-A receptor 7, also known as EphA7, belongs to the ephrin receptor subfamily of the protein-tyrosine kinase family which 16 known receptors (14 found in mammals) are involved: EPHA1, EPHA2, EPHA3, EPHA4, EPHA5, EPHA6, EPHA7, EPHA8, EPHA9, EPHA10, EPHB1, EPHB2, EPHB3, EPHB4, EPHB5, EPHB6. The Eph family of receptor tyrosine kinases (comprising EphA and EphB receptors) has been implicated in synapse formation and the regulation of synaptic function and plasticity6. Eph receptor-mediated signaling, which is triggered by ephrins7, probably modifies the properties of synapses during synaptic activation and remodeling. Ephrin receptors are components of cell signalling pathways involved in animal growth and development, forming the largest sub-family of receptor tyrosine kinases (RTKs). Ligand-mediated activation of Ephs induce various important downstream effects and Eph receptors have been studied for their potential roles in the development of cancer. Down-regulation of EphA7 secondary to hypermethylation has been reported in colorectal cancer. The expression of EphA7 was reduced in all tested gastric cancer cell lines; however, there is marked variability in expression among gastric carcinoma specimens. EphA7 may have roles in the pathogenesis and development of gastric carcinomas.