Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_769 |
| Number of amino acids: | 174 |
| Molecular Weight: | 17518.61 Da |
| Theoretical pI: | 4.64 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 20 | 11.49% |
| Cysteine CYS (C) | 10 | 5.75% |
| Glutamic Acid GLU (E) | 2 | 1.15% |
| Aspartic Acid ASP (D) | 6 | 3.45% |
| Glycine GLY (G) | 24 | 13.79% |
| Phynylalanine PHE (F) | 7 | 4.02% |
| Isoleucine ILE (I) | 4 | 2.3% |
| Histidine HIS (H) | 2 | 1.15% |
| Lysine LYS (K) | 1 | 0.57% |
| Methionine MET (M) | 4 | 2.3% |
| Leucine LEU (L) | 13 | 7.47% |
| Asparagine ASN (N) | 11 | 6.32% |
| Glutamine GLN (Q) | 5 | 2.87% |
| Proline PRO (P) | 11 | 6.32% |
| Serine SER (S) | 16 | 9.2% |
| Arginine ARG (R) | 3 | 1.72% |
| Threonine THR (T) | 18 | 10.34% |
| Tryptophan TRP (W) | 3 | 1.72% |
| Valine VAL (V) | 10 | 5.75% |
| Tyrosine TYR (Y) | 4 | 2.3% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 756 |
| Hydrogen | H | 1161 |
| Nitrogen | N | 207 |
| Oxygen | O | 245 |
| Sulphur | S | 14 |
| Formula | C756H1161N207O245S14 |
| Total Number of Atoms: | 2383 |
| Total number of positively charged residues (ARG + LYS): | 4 |
| Total number of negatively charged residues (ASP + GLU): | 8 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 23085 Absorption 0.1% (=1 g/l) 1.318, assuming all pairs of CYS residues form cystines Ext. coefficient 22460 Absorption 0.1% (=1 g/l) 1.282, assuming all CYS residues are reduced |
| Aromaticity: | 0.080 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 42.44 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.56, 35.63, 22.41] 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: | 66.2644 |
| Grand average of hydropathicity (GRAVY): | 0.17 |