Table 4.
Main physico-chemical parameters of selected peptides identified in polypeptide-enriched extracts from green leaves and rhizomes of P. oceanica.
| Peptide #2 | Peptide #3 | Peptide #5 | Peptide #7 | |
|---|---|---|---|---|
| Peptide sequence | EETFHGVL | NVVELNVAPGDK | IVASVGSA | GEFALCSAKT |
| Monoisotopic theoretical mass (Da) | 930.445 | 1253.662 | 702.391 | 1025.490 |
| Net charge | −1.75 | −1 | 0 | 0 |
| Isoelectric point | 5.385 | 5.723 | 5.909 | 5.878 |
| Wimley–White whole-residue (kcal/mol) | 2.74 | 5.36 | 0.44 | 1.7 |
| Hydrophobic ratio (%) | 38% | 42% | 63% | 50% |
| Protein-binding potential Boman Index (kcal/mol) | 0.99 | 1.21 | −1.34 | 0.45 |
| Half-life (s) | 1.51 | 3.48 | 1.08 | 1.24 |
| Stability in a biological proteolytic environment | High | High | High | High |