Midiprep of hACE2_pcDNA3.1-1, hACE2_pcDNA3.1-2, SARS-CoV-2-S-RBD-sfGFP_pcDNA3-1, SARS-CoV-2-S-RBD-sfGFP_pcDNA3-2 by HS. All tubes underwent the sodium acetate step because pellets did not form.