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Nucleocapsid protein/NP (Influenza Virus)
Influenza B virus (Austria/1359417/2021) NP (B/Victoria lineage) Protein, His Tag (NPB-V52H3) is expressed from human 293 cells (HEK293). It contains AA Met 1 - Tyr 560 (Accession # EPI1930266, GISAID).
Predicted N-terminus: His
This protein carries a polyhistidine tag at the N-terminus.
The protein has a calculated MW of 63.4 kDa. The protein migrates as 80-95 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
Less than 1.0 EU per μg by the LAL method / rFC method.
>90% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in PBS, 0.2 M Arginine, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
This product is shipped at ambient temperature.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.