Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5459 |
| Number of amino acids: | 298 |
| Molecular Weight: | 31701.55 Da |
| Theoretical pI: | 4.9 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 25 | 8.39% |
| Cysteine CYS (C) | 7 | 2.35% |
| Glutamic Acid GLU (E) | 4 | 1.34% |
| Aspartic Acid ASP (D) | 18 | 6.04% |
| Glycine GLY (G) | 32 | 10.74% |
| Phynylalanine PHE (F) | 15 | 5.03% |
| Isoleucine ILE (I) | 17 | 5.7% |
| Histidine HIS (H) | 4 | 1.34% |
| Lysine LYS (K) | 12 | 4.03% |
| Methionine MET (M) | 3 | 1.01% |
| Leucine LEU (L) | 30 | 10.07% |
| Asparagine ASN (N) | 21 | 7.05% |
| Glutamine GLN (Q) | 17 | 5.7% |
| Proline PRO (P) | 14 | 4.7% |
| Serine SER (S) | 32 | 10.74% |
| Arginine ARG (R) | 3 | 1.01% |
| Threonine THR (T) | 14 | 4.7% |
| Tryptophan TRP (W) | 7 | 2.35% |
| Valine VAL (V) | 14 | 4.7% |
| Tyrosine TYR (Y) | 9 | 3.02% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1417 |
| Hydrogen | H | 2158 |
| Nitrogen | N | 372 |
| Oxygen | O | 436 |
| Sulphur | S | 10 |
| Formula | C1417H2158N372O436S10 |
| Total Number of Atoms: | 4393 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| Total number of negatively charged residues (ASP + GLU): | 22 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 52285 Absorption 0.1% (=1 g/l) 1.649, assuming all pairs of CYS residues form cystines Ext. coefficient 51910 Absorption 0.1% (=1 g/l) 1.637, assuming all CYS residues are reduced |
| Aromaticity: | 0.104 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 29.14 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.87, 33.22, 20.81] Amino acids in helix: V, I, Y, F, W, L || Amino acids in turn: N, P, G, S || Amino acids in sheet: E, M, A, L |
| Aliphatic index: | 83.5235 |
| Grand average of hydropathicity (GRAVY): | -0.04 |