2019-nCoV (COVID-19) S2 protein, His Tag 2019-nCoV (COVID-19) S2 protein, His Tag (S2N-C52H5) is expressed from human 293 cells (HEK 293). It contains AA Ser 686 - Pro1213 (Accession QHD43416.1). This protein carries a polyhistidine tag at the C-te t 1 * 100 µG