Table 1. Physicochemical properties of QHD43416.1 surface glycoprotein (Severe Acute Respiratory Syndrome Coronavirus 2) as predicted by ProtParam and DiANNA.
| Property | Value |
|---|---|
| Number of amino acids | 1,273 |
| Molecular weight | 141,178.47 |
| Theoretical pI | 6.24 |
| Atomic composition | Carbon (C) 6336, Hydrogen (H) 9770, Nitrogen (N) 1656, Oxygen (O) 1894, Sulphur (S) 54 |
| Total number of negatively charged residues (Asp + Glu) | 110 |
| Total number of positively charged residues (Arg + Lys) | 103 |
| Formula | C6336H9770N1656O1894S54 |
| Extinction coefficients | 148,960 (assuming all pairs of Cys residues form cystines) |
| Estimated half-life | 30 h |
| Instability index | 33.01 (stable) |
| Aliphatic index | 84.67 |
| Grand average of hydropathicity (GRAVY) value | −0.079 |
| Cysteine disulphide bond score | 40 |