Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4373 |
| Number of amino acids: | 331 |
| Molecular Weight: | 36164.02 Da |
| Theoretical pI: | 8.74 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 22 | 6.65% |
| Cysteine CYS (C) | 11 | 3.32% |
| Glutamic Acid GLU (E) | 14 | 4.23% |
| Aspartic Acid ASP (D) | 17 | 5.14% |
| Glycine GLY (G) | 23 | 6.95% |
| Phynylalanine PHE (F) | 17 | 5.14% |
| Isoleucine ILE (I) | 15 | 4.53% |
| Histidine HIS (H) | 4 | 1.21% |
| Lysine LYS (K) | 17 | 5.14% |
| Methionine MET (M) | 5 | 1.51% |
| Leucine LEU (L) | 36 | 10.88% |
| Asparagine ASN (N) | 21 | 6.34% |
| Glutamine GLN (Q) | 15 | 4.53% |
| Proline PRO (P) | 12 | 3.63% |
| Serine SER (S) | 43 | 12.99% |
| Arginine ARG (R) | 20 | 6.04% |
| Threonine THR (T) | 13 | 3.93% |
| Tryptophan TRP (W) | 1 | 0.3% |
| Valine VAL (V) | 19 | 5.74% |
| Tyrosine TYR (Y) | 6 | 1.81% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1573 |
| Hydrogen | H | 2521 |
| Nitrogen | N | 453 |
| Oxygen | O | 492 |
| Sulphur | S | 16 |
| Formula | C1573H2521N453O492S16 |
| Total Number of Atoms: | 5055 |
| Total number of positively charged residues (ARG + LYS): | 37 |
| Total number of negatively charged residues (ASP + GLU): | 31 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 15065 Absorption 0.1% (=1 g/l) 0.417, assuming all pairs of CYS residues form cystines Ext. coefficient 14440 Absorption 0.1% (=1 g/l) 0.399, assuming all CYS residues are reduced |
| Aromaticity: | 0.073 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 47.95 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [28.40, 29.91, 23.26] 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: | 83.3835 |
| Grand average of hydropathicity (GRAVY): | -0.23 |