Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5295 |
| Number of amino acids: | 180 |
| Molecular Weight: | 19170.71 Da |
| Theoretical pI: | 4.97 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 18 | 10% |
| Cysteine CYS (C) | 7 | 3.89% |
| Glutamic Acid GLU (E) | 6 | 3.33% |
| Aspartic Acid ASP (D) | 8 | 4.44% |
| Glycine GLY (G) | 18 | 10% |
| Phynylalanine PHE (F) | 5 | 2.78% |
| Isoleucine ILE (I) | 11 | 6.11% |
| Histidine HIS (H) | 3 | 1.67% |
| Lysine LYS (K) | 5 | 2.78% |
| Methionine MET (M) | 9 | 5% |
| Leucine LEU (L) | 14 | 7.78% |
| Asparagine ASN (N) | 13 | 7.22% |
| Glutamine GLN (Q) | 11 | 6.11% |
| Proline PRO (P) | 7 | 3.89% |
| Serine SER (S) | 16 | 8.89% |
| Arginine ARG (R) | 4 | 2.22% |
| Threonine THR (T) | 11 | 6.11% |
| Tryptophan TRP (W) | 4 | 2.22% |
| Valine VAL (V) | 7 | 3.89% |
| Tyrosine TYR (Y) | 3 | 1.67% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 825 |
| Hydrogen | H | 1295 |
| Nitrogen | N | 231 |
| Oxygen | O | 263 |
| Sulphur | S | 16 |
| Formula | C825H1295N231O263S16 |
| Total Number of Atoms: | 2630 |
| Total number of positively charged residues (ARG + LYS): | 9 |
| Total number of negatively charged residues (ASP + GLU): | 14 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 26845 Absorption 0.1% (=1 g/l) 1.400, assuming all pairs of CYS residues form cystines Ext. coefficient 26470 Absorption 0.1% (=1 g/l) 1.381, 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 : 36.34 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.44, 30.00, 26.11] 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: | 75.4445 |
| Grand average of hydropathicity (GRAVY): | -0.07 |