Complex of recombinant SARS-CoV-2 proteins NSP10 and NSP16. These recombinant proteins are co-expressed and affinity purified. Recombinant SARS-CoV-2 NSP10 (Nonstructural protein 10), full-length encompassing amino acids 1-139(end). This construct contains an N-terminal FLAG-tag. Recombinant SARS-CoV-2 NSP16 (Nonstructural protein 16), full-length encompassing amino acids 1-298(end). This construct contains an N-terminal His-tag, (6xHis).