Expressed in E. coli.
Nucleoprotein, N-terminal fragment, is a fragment N47-A173 of SARS-CoV-2 nucleocapsid protein [Severe acute respiratory syndrome coronavirus 2] GenBank: QHD43423.2.
Contains C-terminal His6-tag
Theoretical MW 14000 Da including His6-tag
Theoretical pI: 9.60
Antigen for detection of anti-(SARS-CoV-2 nucleocapsid protein) antibodies
Concentration is determined spectrophotometrically at A280
Metal affinity chromatography
50 mM Phosphate buffer, 8 M urea, 250 mM NaCl, 250 mM imidazole, pH 10.0
-70°C (-65 … -80 °C allowed)
Avoid repeated freezing and thawing. It is recommended to aliquot the product after the first thawing.
This product is sold for research or further manufacturing use only. Standard Laboratory Practices should be followed when handling this material.
(Catalogue number and MAb: 8COV5)