has part has part has_part variant of is AA variant of is characteristic AA variant of has mutated from susceptibly reduces vaccine efficacy susceptibly reduces process frequency has amino acid position glycine aspartic acid D614G in SARS-CoV-2 S protein 614 A SARS-CoV-2 amino acid variant that is located at the position 614 in the Wuhan reference strain S protein, and has been changed from D in the reference protein to the G residue. https://www.gisaid.org/references/statements-clarifications/clade-and-lineage-nomenclature-aids-in-genomic-epidemiology-of-active-hcov-19-viruses/ S-D614G D614G in SARS-CoV-2 spike-protein https://www.cell.com/cell/pdf/S0092-8674(20)30820-5.pdf D614G, S-D614G https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7387429/ D614G Oliver He The Spike D614G amino acid change is caused by an A-to-G nucleotide mutation at position 23,403 (A23403G) in the Wuhan reference strain; it was the only site identified in our first Spike variation analysis in early March 2020 that met our threshold criterion. SARS-CoV-2 Delta variant SARS-CoV-2 Zeta variant SARS-CoV-2 Theta variant SARS-CoV-2 Iota variant SARS-CoV-2 Kappa variant SARS-CoV-2 Omicron variant BNT162a1 SARS-CoV-2 Vaccine SARS-CoV-2 BA.2 virus AA variant in SARS-CoV-2 protein SD2 S1 region SARS-CoV-2-hACE2 entry to cell spike glycoprotein (SARS-CoV-2)