Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_789 |
| Number of amino acids: | 229 |
| Molecular Weight: | 23769.71 Da |
| Theoretical pI: | 4.52 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 29 | 12.66% |
| Cysteine CYS (C) | 16 | 6.99% |
| Glutamic Acid GLU (E) | 3 | 1.31% |
| Aspartic Acid ASP (D) | 14 | 6.11% |
| Glycine GLY (G) | 28 | 12.23% |
| Phynylalanine PHE (F) | 13 | 5.68% |
| Isoleucine ILE (I) | 6 | 2.62% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 5 | 2.18% |
| Methionine MET (M) | 2 | 0.87% |
| Leucine LEU (L) | 16 | 6.99% |
| Asparagine ASN (N) | 13 | 5.68% |
| Glutamine GLN (Q) | 14 | 6.11% |
| Proline PRO (P) | 17 | 7.42% |
| Serine SER (S) | 10 | 4.37% |
| Arginine ARG (R) | 7 | 3.06% |
| Threonine THR (T) | 16 | 6.99% |
| Tryptophan TRP (W) | 3 | 1.31% |
| Valine VAL (V) | 11 | 4.8% |
| Tyrosine TYR (Y) | 6 | 2.62% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1036 |
| Hydrogen | H | 1577 |
| Nitrogen | N | 285 |
| Oxygen | O | 323 |
| Sulphur | S | 18 |
| Formula | C1036H1577N285O323S18 |
| Total Number of Atoms: | 3239 |
| Total number of positively charged residues (ARG + LYS): | 12 |
| Total number of negatively charged residues (ASP + GLU): | 17 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 26440 Absorption 0.1% (=1 g/l) 1.112, assuming all pairs of CYS residues form cystines Ext. coefficient 25440 Absorption 0.1% (=1 g/l) 1.070, assuming all CYS residues are reduced |
| Aromaticity: | 0.096 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 31.96 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.02, 29.69, 21.83] 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: | 64.0612 |
| Grand average of hydropathicity (GRAVY): | -0.03 |