CD81, also known as TAPA-1, belongs to the transmembrane 4 superfamily, also known as the tetraspanin family. Members of this family mediate signal transduction events that play a role in the regulation of cell development, activation, growth and motility.CD81 is a widely expressed cell-surface protein involved in an astonishing variety of biologic responses. It is related to adhesion, morphology, activation, proliferation, and differentiation of B, T, and other cells. On B cells CD81 is part of a complex with CD21, CD19, and Leu13. This complex reduces the threshold for B cell activation via the B cell receptor by bridging Ag specific recognition and CD21-mediated complement recognition.
Product Name:
Influenza B Nucleoprotein (RPES1111)
Product Code:
RPES1111
Size:
50µg
Species:
Influenza B
Expressed Host:
Baculovirus-Insect Cells
Synonyms:
NP Protein, Influenza B,Nucleoprotein Protein, Influenza B
Accession:
ACF54251.1
Sequence:
Met1-Tyr560
Fusion tag:
C-His
Endotoxin:
<1.0 EU per µg of the protein as determined by the LAL method.
Protein Construction:
A DNA sequence encoding the Influenza B (B/Florida/4/2006) nucleoprotein (ACF54251.1) (Met1-Tyr560) was expressed with a polyhistidine tag at the C-terminus.
Purity:
> 90 % as determined by reducing SDS-PAGE.
Mol Mass:
63.1 kDa
Formulation:
Lyophilized from sterile 20 mM PBS, 500 mM NaCl, pH 7.0, 10 % glycerol.
Shipping:
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Stability and Storage:
Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
