Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5449 |
| Number of amino acids: | 381 |
| Molecular Weight: | 42225.83 Da |
| Theoretical pI: | 6.05 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 19 | 4.99% |
| Cysteine CYS (C) | 9 | 2.36% |
| Glutamic Acid GLU (E) | 23 | 6.04% |
| Aspartic Acid ASP (D) | 20 | 5.25% |
| Glycine GLY (G) | 29 | 7.61% |
| Phynylalanine PHE (F) | 17 | 4.46% |
| Isoleucine ILE (I) | 17 | 4.46% |
| Histidine HIS (H) | 5 | 1.31% |
| Lysine LYS (K) | 11 | 2.89% |
| Methionine MET (M) | 7 | 1.84% |
| Leucine LEU (L) | 39 | 10.24% |
| Asparagine ASN (N) | 13 | 3.41% |
| Glutamine GLN (Q) | 16 | 4.2% |
| Proline PRO (P) | 27 | 7.09% |
| Serine SER (S) | 40 | 10.5% |
| Arginine ARG (R) | 29 | 7.61% |
| Threonine THR (T) | 23 | 6.04% |
| Tryptophan TRP (W) | 4 | 1.05% |
| Valine VAL (V) | 23 | 6.04% |
| Tyrosine TYR (Y) | 10 | 2.62% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1859 |
| Hydrogen | H | 2930 |
| Nitrogen | N | 522 |
| Oxygen | O | 570 |
| Sulphur | S | 16 |
| Formula | C1859H2930N522O570S16 |
| Total Number of Atoms: | 5897 |
| Total number of positively charged residues (ARG + LYS): | 40 |
| Total number of negatively charged residues (ASP + GLU): | 43 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 37400 Absorption 0.1% (=1 g/l) 0.886, assuming all pairs of CYS residues form cystines Ext. coefficient 36900 Absorption 0.1% (=1 g/l) 0.874, assuming all CYS residues are reduced |
| Aromaticity: | 0.081 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 67.42 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [28.87, 28.61, 23.10] 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: | 79.8162 |
| Grand average of hydropathicity (GRAVY): | -0.32 |