Recombinant Rat CD81 Protein


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Recombinant Rat CD81 Protein

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Cat.No. : Cd81-330R
Product Overview : Recombinant Rat Cd81 (NP_037219.1) (Lys116-Lys201) was expressed with two additional amino acids (Gly & Pro) at the N-terminus.
Description : 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.
Source : HEK293
Species : Rat
Predicted N Terminal : Gly
Form : Lyophilized from sterile PBS, pH 7.4. Normally 5 %- 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Molecular Mass : The recombinant rat Cd81 consists of 88 amino acids and predicts a molecular mass of 9.7 kDa.
Protein length : Lys116-Lys201
Endotoxin : < 1.0 EU per μg protein as determined by the LAL method.
Purity : > 85 % as determined by SDS-PAGE.
Storage : Samples are stable for up to twelve months from date of receipt at-70 centigrade. Store it under sterile conditions at-20 centigrade to-80 centigrade. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution : It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 ug/ul. Centrifuge the vial at 4ºC before opening to recover the entire contents.
Gene Name : Cd81 Cd81 molecule [ Rattus norvegicus ]
Official Symbol : Cd81
Synonyms : CD81; Cd81 molecule; CD81 antigen; CD 81 antigen; 26 kDa cell surface protein TAPA-1; target of the antiproliferative 1; CD81 antigen (target of antiproliferative 1); Tapa1;
Gene ID : 25621
mRNA Refseq : NM_013087
Protein Refseq : NP_037219

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