Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1351 |
| Number of amino acids: | 239 |
| Molecular Weight: | 26084.32 Da |
| Theoretical pI: | 7.82 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 5.86% |
| Cysteine CYS (C) | 17 | 7.11% |
| Glutamic Acid GLU (E) | 4 | 1.67% |
| Aspartic Acid ASP (D) | 14 | 5.86% |
| Glycine GLY (G) | 26 | 10.88% |
| Phynylalanine PHE (F) | 17 | 7.11% |
| Isoleucine ILE (I) | 12 | 5.02% |
| Histidine HIS (H) | 2 | 0.84% |
| Lysine LYS (K) | 7 | 2.93% |
| Methionine MET (M) | 4 | 1.67% |
| Leucine LEU (L) | 11 | 4.6% |
| Asparagine ASN (N) | 17 | 7.11% |
| Glutamine GLN (Q) | 9 | 3.77% |
| Proline PRO (P) | 17 | 7.11% |
| Serine SER (S) | 18 | 7.53% |
| Arginine ARG (R) | 13 | 5.44% |
| Threonine THR (T) | 18 | 7.53% |
| Tryptophan TRP (W) | 4 | 1.67% |
| Valine VAL (V) | 7 | 2.93% |
| Tyrosine TYR (Y) | 8 | 3.35% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1139 |
| Hydrogen | H | 1713 |
| Nitrogen | N | 319 |
| Oxygen | O | 346 |
| Sulphur | S | 21 |
| Formula | C1139H1713N319O346S21 |
| Total Number of Atoms: | 3538 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| Total number of negatively charged residues (ASP + GLU): | 18 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 34920 Absorption 0.1% (=1 g/l) 1.339, assuming all pairs of CYS residues form cystines Ext. coefficient 33920 Absorption 0.1% (=1 g/l) 1.300, assuming all CYS residues are reduced |
| Aromaticity: | 0.121 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 44.32 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.69, 32.64, 13.81] 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: | 51.8828 |
| Grand average of hydropathicity (GRAVY): | -0.32 |