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| Viral construct | E2-117 | E2-218 | E2-407 |
|---|---|---|---|
| IE.AA (strain 68U201) | Glu | Ser | Ser |
| IE.AAE2-E117K | Lys | — | — |
| IE.AAE2-S218N | — | Asn | — |
| IE.AAE2-S407R | — | — | Arg |
| IE.AAE2-E117K,S407R | Lys | — | Arg |
| IE.AAE2-E117K,S218N | Lys | Asn | — |
| IE.AAE2-S218N,S407R | — | Asn | Arg |
| IE.AAE2-E117K,S218N,S407R | Lys | Asn | Arg |
—, same amino acid residue as IE.AA (strain 68U201).
