Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1505 |
| Number of amino acids: | 179 |
| Molecular Weight: | 19034.43 Da |
| Theoretical pI: | 8.58 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 13 | 7.26% |
| Cysteine CYS (C) | 13 | 7.26% |
| Glutamic Acid GLU (E) | 5 | 2.79% |
| Aspartic Acid ASP (D) | 5 | 2.79% |
| Glycine GLY (G) | 25 | 13.97% |
| Phynylalanine PHE (F) | 7 | 3.91% |
| Isoleucine ILE (I) | 8 | 4.47% |
| Histidine HIS (H) | 3 | 1.68% |
| Lysine LYS (K) | 7 | 3.91% |
| Methionine MET (M) | 2 | 1.12% |
| Leucine LEU (L) | 8 | 4.47% |
| Asparagine ASN (N) | 13 | 7.26% |
| Glutamine GLN (Q) | 8 | 4.47% |
| Proline PRO (P) | 13 | 7.26% |
| Serine SER (S) | 8 | 4.47% |
| Arginine ARG (R) | 8 | 4.47% |
| Threonine THR (T) | 18 | 10.06% |
| Tryptophan TRP (W) | 4 | 2.23% |
| Valine VAL (V) | 6 | 3.35% |
| Tyrosine TYR (Y) | 5 | 2.79% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 822 |
| Hydrogen | H | 1263 |
| Nitrogen | N | 241 |
| Oxygen | O | 252 |
| Sulphur | S | 15 |
| Formula | C822H1263N241O252S15 |
| Total Number of Atoms: | 2593 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| Total number of negatively charged residues (ASP + GLU): | 10 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 30200 Absorption 0.1% (=1 g/l) 1.587, assuming all pairs of CYS residues form cystines Ext. coefficient 29450 Absorption 0.1% (=1 g/l) 1.547, assuming all CYS residues are reduced |
| Aromaticity: | 0.089 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 45.20 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [21.23, 32.96, 15.64] 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: | 51.8436 |
| Grand average of hydropathicity (GRAVY): | -0.39 |