Table 1.
Characteristics of the secondary structure of COVID-19 vaccine candidate calculated through ProtParam tool from IEDB.
| Characteristics of Vaccine | Assessment |
|---|---|
| Number of amino acids | 487 |
| Molecular weight (kDa) | 53.64 |
| Theoretical pI | 9.84 |
| Total number of negatively charged residues (Asp + Glu) |
25 |
| Total number of positively charged residues (Arg + Lys) |
73 |
| Formula | C2452H3685N667O668S14 |
| Extinction coefficient (M-1cm-1) | 94965 |
| Estimated half life | 30 h (mammalian reticulocytes) |
| Instability index | 17.31 |
| Aliphatic index | 57.97 |
| Grand average of hydropathicity (GRAVY) | −0.415 |