Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4659 |
| Number of amino acids: | 216 |
| Molecular Weight: | 22175.97 Da |
| Theoretical pI: | 8.12 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 21 | 9.72% |
| Cysteine CYS (C) | 10 | 4.63% |
| Glutamic Acid GLU (E) | 6 | 2.78% |
| Aspartic Acid ASP (D) | 14 | 6.48% |
| Glycine GLY (G) | 34 | 15.74% |
| Phynylalanine PHE (F) | 6 | 2.78% |
| Isoleucine ILE (I) | 2 | 0.93% |
| Histidine HIS (H) | 8 | 3.7% |
| Lysine LYS (K) | 8 | 3.7% |
| Methionine MET (M) | 4 | 1.85% |
| Leucine LEU (L) | 15 | 6.94% |
| Asparagine ASN (N) | 9 | 4.17% |
| Glutamine GLN (Q) | 3 | 1.39% |
| Proline PRO (P) | 12 | 5.56% |
| Serine SER (S) | 17 | 7.87% |
| Arginine ARG (R) | 14 | 6.48% |
| Threonine THR (T) | 7 | 3.24% |
| Tryptophan TRP (W) | 3 | 1.39% |
| Valine VAL (V) | 22 | 10.19% |
| Tyrosine TYR (Y) | 1 | 0.46% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 945 |
| Hydrogen | H | 1501 |
| Nitrogen | N | 297 |
| Oxygen | O | 294 |
| Sulphur | S | 14 |
| Formula | C945H1501N297O294S14 |
| Total Number of Atoms: | 3051 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 20 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 18615 Absorption 0.1% (=1 g/l) 0.839, assuming all pairs of CYS residues form cystines Ext. coefficient 17990 Absorption 0.1% (=1 g/l) 0.811, assuming all CYS residues are reduced |
| Aromaticity: | 0.046 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.92 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [22.69, 33.33, 21.30] 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: | 69.9537 |
| Grand average of hydropathicity (GRAVY): | -0.19 |