Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4959 |
| Number of amino acids: | 204 |
| Molecular Weight: | 21820.22 Da |
| Theoretical pI: | 5.49 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 19 | 9.31% |
| Cysteine CYS (C) | 12 | 5.88% |
| Glutamic Acid GLU (E) | 16 | 7.84% |
| Aspartic Acid ASP (D) | 4 | 1.96% |
| Glycine GLY (G) | 20 | 9.8% |
| Phynylalanine PHE (F) | 9 | 4.41% |
| Isoleucine ILE (I) | 15 | 7.35% |
| Histidine HIS (H) | 2 | 0.98% |
| Lysine LYS (K) | 13 | 6.37% |
| Methionine MET (M) | 5 | 2.45% |
| Leucine LEU (L) | 19 | 9.31% |
| Asparagine ASN (N) | 10 | 4.9% |
| Glutamine GLN (Q) | 2 | 0.98% |
| Proline PRO (P) | 4 | 1.96% |
| Serine SER (S) | 15 | 7.35% |
| Arginine ARG (R) | 4 | 1.96% |
| Threonine THR (T) | 17 | 8.33% |
| Tryptophan TRP (W) | 2 | 0.98% |
| Valine VAL (V) | 10 | 4.9% |
| Tyrosine TYR (Y) | 6 | 2.94% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 962 |
| Hydrogen | H | 1529 |
| Nitrogen | N | 247 |
| Oxygen | O | 295 |
| Sulphur | S | 17 |
| Formula | C962H1529N247O295S17 |
| Total Number of Atoms: | 3050 |
| Total number of positively charged residues (ARG + LYS): | 17 |
| 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 20690 Absorption 0.1% (=1 g/l) 0.948, assuming all pairs of CYS residues form cystines Ext. coefficient 19940 Absorption 0.1% (=1 g/l) 0.914, assuming all CYS residues are reduced |
| Aromaticity: | 0.083 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 17.27 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.90, 24.02, 28.92] 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: | 88.5294 |
| Grand average of hydropathicity (GRAVY): | 0.22 |