SARS-CoV-2 S1 (QHD43416.1, 14 a.a. - 685 a.a.) recombinant protein with Fc tag at C-terminal expressed in HEK293 cells.
Host:
Human
Theoretical MW (kDa):
102.2
Form:
Liquid
Preparation Method:
Mammalian cell (HEK293) expression system
Purification:
Affinity purification chromatography
Purity:
Greater than 90% as determined by reducing SDS-PAGE.
Quality Control Testing:
ELISA
Immobilized human ACE-2-Fc at 10 ug/mL (100 uL/well) can bind S1 (SARS-CoV-2) Recombinant Protein*. *: Biotinylated by NHS-biotin prior to testing. The ED50 of S1 (SARS-CoV-2) Recombinant Protein* is 0.85 ug/mL.
Recommend Usage:
Calibrator Immunogen Standard The optimal working dilution should be determined by the end user.
Storage Buffer:
In PBS, pH 7.4.
Storage Instruction:
Store at -20°C. Aliquot to avoid repeated freezing and thawing.