Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5408 |
| Number of amino acids: | 164 |
| Molecular Weight: | 18188.89 Da |
| Theoretical pI: | 6.37 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 12 | 7.32% |
| Cysteine CYS (C) | 2 | 1.22% |
| Glutamic Acid GLU (E) | 12 | 7.32% |
| Aspartic Acid ASP (D) | 7 | 4.27% |
| Glycine GLY (G) | 11 | 6.71% |
| Phynylalanine PHE (F) | 5 | 3.05% |
| Isoleucine ILE (I) | 18 | 10.98% |
| Histidine HIS (H) | 3 | 1.83% |
| Lysine LYS (K) | 11 | 6.71% |
| Methionine MET (M) | 3 | 1.83% |
| Leucine LEU (L) | 15 | 9.15% |
| Asparagine ASN (N) | 10 | 6.1% |
| Glutamine GLN (Q) | 5 | 3.05% |
| Proline PRO (P) | 9 | 5.49% |
| Serine SER (S) | 9 | 5.49% |
| Arginine ARG (R) | 7 | 4.27% |
| Threonine THR (T) | 13 | 7.93% |
| Tryptophan TRP (W) | 1 | 0.61% |
| Valine VAL (V) | 6 | 3.66% |
| Tyrosine TYR (Y) | 5 | 3.05% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 811 |
| Hydrogen | H | 1304 |
| Nitrogen | N | 218 |
| Oxygen | O | 245 |
| Sulphur | S | 5 |
| Formula | C811H1304N218O245S5 |
| Total Number of Atoms: | 2583 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| 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 13075 Absorption 0.1% (=1 g/l) 0.719, assuming all pairs of CYS residues form cystines Ext. coefficient 12950 Absorption 0.1% (=1 g/l) 0.712, assuming all CYS residues are reduced |
| Aromaticity: | 0.067 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 43.74 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.49, 23.78, 25.61] 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: | 96.4024 |
| Grand average of hydropathicity (GRAVY): | -0.22 |