Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1477 |
| Number of amino acids: | 180 |
| Molecular Weight: | 19306.39 Da |
| Theoretical pI: | 7.53 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 15 | 8.33% |
| Cysteine CYS (C) | 14 | 7.78% |
| Glutamic Acid GLU (E) | 1 | 0.56% |
| Aspartic Acid ASP (D) | 13 | 7.22% |
| Glycine GLY (G) | 21 | 11.67% |
| Phynylalanine PHE (F) | 9 | 5% |
| Isoleucine ILE (I) | 6 | 3.33% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 3 | 1.67% |
| Methionine MET (M) | 1 | 0.56% |
| Leucine LEU (L) | 7 | 3.89% |
| Asparagine ASN (N) | 16 | 8.89% |
| Glutamine GLN (Q) | 7 | 3.89% |
| Proline PRO (P) | 12 | 6.67% |
| Serine SER (S) | 10 | 5.56% |
| Arginine ARG (R) | 12 | 6.67% |
| Threonine THR (T) | 15 | 8.33% |
| Tryptophan TRP (W) | 3 | 1.67% |
| Valine VAL (V) | 8 | 4.44% |
| Tyrosine TYR (Y) | 7 | 3.89% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 825 |
| Hydrogen | H | 1251 |
| Nitrogen | N | 245 |
| Oxygen | O | 264 |
| Sulphur | S | 15 |
| Formula | C825H1251N245O264S15 |
| Total Number of Atoms: | 2600 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| 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 27805 Absorption 0.1% (=1 g/l) 1.440, assuming all pairs of CYS residues form cystines Ext. coefficient 26930 Absorption 0.1% (=1 g/l) 1.395, assuming all CYS residues are reduced |
| Aromaticity: | 0.106 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 24.60 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [22.22, 32.78, 13.33] 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: | 49.3889 |
| Grand average of hydropathicity (GRAVY): | -0.43 |