Table 1.
Mutations in spike protein of variants.
| SARS-CoV-2 Variant |
Origin | S1 |
S2 |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| N-Terminal Domain | Receptor Binding Domain | – | Furin Cleavage Site | – | |||||||
| Delta (B.1.617.2) | India | T19R | G142D | Δ156-157 | R158G | L452R | T478K | – | D614G | P681R | D950 N |
| Epsilon (B.1.427) | US | – | – | – | – | L452R | – | – | D614G | – | – |
| Epsilon (B.1.429) | US | S13I | G142D | – | W152C | L452R | – | – | D614G | – | – |
| Kappa (B.1.617.1) | India | – | – | E154K | – | L452R | – | E484Q | D614G | P681R | Q1071H |
| B.1.1.519 | Mexico | – | – | – | – | – | T478K | – | D614G | P681H | T732A |
| Gamma (P.1) | Brazil | L18F T20 N P26S |
D138Y | – | R190S | K417T | – | E484K N501Y |
D614G H655Y |
– | T1027I V1176F |