Table 1.
Sequences of synthetic peptides and their variants.
| Peptide | Amino acid sequence | Spike residues | Length |
|---|---|---|---|
| S1P1 | SQCVNLTTRTQLPPAYTNSFTRGVY | 13–37 | 25-mer |
| S1P1[F,N,s]* | SQCVNFTNRTQLPSAYTNSFTRGVY | 13–37 | 25-mer |
| S1P2 | YNSASFSTFKCYGVSPTKLNDLCF | 369–392 | 24-mer |
| S1P3 | GDEVRQIAPGQTGKIADYNYKL | 404–425 | 22-mer |
| S1P3[N]** | GDEVRQIAPGQTGNIADYNYKL | 404–425 | 22-mer |
| S1P4 | NCTEVPVAIHADQLTPTWRVYSTGSNVFQ | 616–644 | 29-mer |
| S1P5 | ASYQTQTNSPRRARSVASQ | 672–690 | 19-mer |
| S1P5[H]*** | ASYQTQTNSHRRARSVASQ | 672–690 | 19-mer |
| S2P6 | YDPLQPELDSFKEELDKYFKNHTSPDVDLGDI | 1138–1169 | 32-mer |
| S2P6.2.0 | SFKEELDKYFKNHTSPDVD | 1147–1165 | 19-mer |
*Gamma, **Beta/Omicron, and ***Alpha variants of SARS-CoV-2 according to WHO label. The amino-acid substitutions are underlined.