SARS-CoV-2 Nucleocapsid protein, His Tag (NUN-C52H8) is expressed from human 293 cells (HEK293). It contains AA Met 1 - Ala 419 (Accession # QHO62115.1). D3L/ R203K/ G204R/ S235F were identified in the SARS-CoV-2 Alpha variant (Pango lineage: B.1.1.7; other names: 20I/501Y.V1 or VOC 202012/01) (data retrieved from https://pubmed.ncbi.nlm.nih.gov/33095454/).