|Datasheet||Specific References||Reviews||Related Products||Protocols|
|Vector Type||Mammalian Expression Vector|
|Expression Method||Constiutive, Stable / Transient|
|Selection In Mammalian Cells||Hygromycin|
Human influenza hemagglutinin (HA) is a surface glycoprotein required for the infectivity of the human virus. The HA tag is derived from the HA-molecule corresponding to amino acids 98-106 has been extensively used as a general epitope tag in expression vectors. Many recombinant proteins have been engineered to express the HA tag, which does not appear to interfere with the bioactivity or the biodistribution of the recombinant protein. This tag facilitates the detection, isolation, and purification of the proteins.
The actual HA tag is as follows: 5' TAC CCA TAC GAT GTT CCA GAT TAC GCT 3' or 5' TAT CCA TAT GAT GTT CCA GAT TAT GCT 3' The amino acid sequence is: YPYDVPDYA.
|Human sFRP-4 ORF mammalian expression plasmid, C-GFPSpark tag||HG10717-ACG|
|Human sFRP-4 ORF mammalian expression plasmid, C-OFPSpark / RFP tag||HG10717-ACR|
|Human sFRP-4 ORF mammalian expression plasmid, C-Flag tag||HG10717-CF|
|Human sFRP-4 ORF mammalian expression plasmid, C-His tag||HG10717-CH|
|Human sFRP-4 ORF mammalian expression plasmid, C-Myc tag||HG10717-CM|
|Human sFRP-4 ORF mammalian expression plasmid, C-HA tag||HG10717-CY|
|Human sFRP-4 ORF mammalian expression plasmid, N-Flag tag||HG10717-NF|
|Human sFRP-4 ORF mammalian expression plasmid, N-His tag||HG10717-NH|
|Human sFRP-4 ORF mammalian expression plasmid, N-Myc tag||HG10717-NM|
|Human sFRP-4 ORF mammalian expression plasmid, N-HA tag||HG10717-NY|
|Human sFRP-4 Gene cDNA clone plasmid||HG10717-U|
|Human sFRP-4 ORF mammalian expression plasmid, His tag||HG10717-U-H|
|Human sFRP-4 natural ORF mammalian expression plasmid||HG10717-UT|
|Learn more about expression Vectors|
SFRP family consists of five secreted glycoproteins in humans acting as extracellular signaling ligands. Each is approximately 300 amino acids in length and contains a cysteine-rich domain (CRD) that shares 30-50% sequence homology with the CRD of Frizzled (Fz) receptors, a putative signal sequence, and a conserved hydrophilic carboxy-terminal domain. SFRPs act as soluble modulators of Wnt signaling, counteracting Wnt-induced effects at high concentrations and promoting them at lower concentrations. SFRPs are able to bind Wnt proteins and Fz receptors in the extracellular compartment. The interaction between SFRPs and Wnt proteins prevents the latter from binding the Fz receptors. The Wnt pathway plays a key role in embryonic development, cell differentiation and cell proliferation. SFRP4 is a member of the SFRP family that contains a cysteine-rich domain homologous to the putative Wnt-binding site of Frizzled proteins called FZ domain and a NTR domain . Mouse SFRP4 is highly expressed in the ovary, and is localized to granulosa cells of periovulatory follicles and corpora lutea. It plays a critical role in placental development and implantation, and is also an important factor in the development of the decidual fibrinoid zone, and in trophoblast apoptosis.