Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_883 |
| Number of amino acids: | 249 |
| Molecular Weight: | 25707.78 Da |
| Theoretical pI: | 4.46 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 27 | 10.84% |
| Cysteine CYS (C) | 17 | 6.83% |
| Glutamic Acid GLU (E) | 3 | 1.2% |
| Aspartic Acid ASP (D) | 16 | 6.43% |
| Glycine GLY (G) | 30 | 12.05% |
| Phynylalanine PHE (F) | 13 | 5.22% |
| Isoleucine ILE (I) | 1 | 0.4% |
| Histidine HIS (H) | 1 | 0.4% |
| Lysine LYS (K) | 6 | 2.41% |
| Methionine MET (M) | 4 | 1.61% |
| Leucine LEU (L) | 20 | 8.03% |
| Asparagine ASN (N) | 11 | 4.42% |
| Glutamine GLN (Q) | 6 | 2.41% |
| Proline PRO (P) | 13 | 5.22% |
| Serine SER (S) | 21 | 8.43% |
| Arginine ARG (R) | 6 | 2.41% |
| Threonine THR (T) | 25 | 10.04% |
| Tryptophan TRP (W) | 3 | 1.2% |
| Valine VAL (V) | 16 | 6.43% |
| Tyrosine TYR (Y) | 10 | 4.02% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1117 |
| Hydrogen | H | 1697 |
| Nitrogen | N | 295 |
| Oxygen | O | 361 |
| Sulphur | S | 21 |
| Formula | C1117H1697N295O361S21 |
| Total Number of Atoms: | 3491 |
| Total number of positively charged residues (ARG + LYS): | 12 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 32400 Absorption 0.1% (=1 g/l) 1.260, assuming all pairs of CYS residues form cystines Ext. coefficient 31400 Absorption 0.1% (=1 g/l) 1.221, 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 : 33.63 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.30, 30.12, 21.69] 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: | 62.3695 |
| Grand average of hydropathicity (GRAVY): | 0.08 |