Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1126 |
| Number of amino acids: | 238 |
| Molecular Weight: | 25772.92 Da |
| Theoretical pI: | 4.71 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 16 | 6.72% |
| Cysteine CYS (C) | 18 | 7.56% |
| Glutamic Acid GLU (E) | 8 | 3.36% |
| Aspartic Acid ASP (D) | 13 | 5.46% |
| Glycine GLY (G) | 22 | 9.24% |
| Phynylalanine PHE (F) | 17 | 7.14% |
| Isoleucine ILE (I) | 10 | 4.2% |
| Histidine HIS (H) | 4 | 1.68% |
| Lysine LYS (K) | 9 | 3.78% |
| Methionine MET (M) | 2 | 0.84% |
| Leucine LEU (L) | 18 | 7.56% |
| Asparagine ASN (N) | 12 | 5.04% |
| Glutamine GLN (Q) | 9 | 3.78% |
| Proline PRO (P) | 12 | 5.04% |
| Serine SER (S) | 22 | 9.24% |
| Arginine ARG (R) | 3 | 1.26% |
| Threonine THR (T) | 21 | 8.82% |
| Tryptophan TRP (W) | 3 | 1.26% |
| Valine VAL (V) | 8 | 3.36% |
| Tyrosine TYR (Y) | 11 | 4.62% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1140 |
| Hydrogen | H | 1696 |
| Nitrogen | N | 288 |
| Oxygen | O | 356 |
| Sulphur | S | 20 |
| Formula | C1140H1696N288O356S20 |
| Total Number of Atoms: | 3500 |
| Total number of positively charged residues (ARG + LYS): | 12 |
| Total number of negatively charged residues (ASP + GLU): | 21 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 34015 Absorption 0.1% (=1 g/l) 1.320, assuming all pairs of CYS residues form cystines Ext. coefficient 32890 Absorption 0.1% (=1 g/l) 1.276, assuming all CYS residues are reduced |
| Aromaticity: | 0.130 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 36.57 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [28.15, 28.57, 18.49] 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: | 62.3529 |
| Grand average of hydropathicity (GRAVY): | -0.06 |