SARS-CoV-2 S1 protein, His Tag S1N-C52Hp is expressed from human 293 cells HEK293. It contains AA Val 16 - Arg 685 Accession QHD434 16.1 L18F, T20N, P26S, D138Y, R190S, K417T, E484K, N501Y, D614G, H655Y. 1 * 1 mg