Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1413 |
| Number of amino acids: | 238 |
| Molecular Weight: | 25829.36 Da |
| Theoretical pI: | 8.16 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 18 | 7.56% |
| Cysteine CYS (C) | 16 | 6.72% |
| Glutamic Acid GLU (E) | 9 | 3.78% |
| Aspartic Acid ASP (D) | 6 | 2.52% |
| Glycine GLY (G) | 20 | 8.4% |
| Phynylalanine PHE (F) | 15 | 6.3% |
| Isoleucine ILE (I) | 9 | 3.78% |
| Histidine HIS (H) | 15 | 6.3% |
| Lysine LYS (K) | 7 | 2.94% |
| Methionine MET (M) | 2 | 0.84% |
| Leucine LEU (L) | 18 | 7.56% |
| Asparagine ASN (N) | 12 | 5.04% |
| Glutamine GLN (Q) | 6 | 2.52% |
| Proline PRO (P) | 18 | 7.56% |
| Serine SER (S) | 18 | 7.56% |
| Arginine ARG (R) | 11 | 4.62% |
| Threonine THR (T) | 20 | 8.4% |
| Tryptophan TRP (W) | 2 | 0.84% |
| Valine VAL (V) | 12 | 5.04% |
| Tyrosine TYR (Y) | 4 | 1.68% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1136 |
| Hydrogen | H | 1736 |
| Nitrogen | N | 328 |
| Oxygen | O | 329 |
| Sulphur | S | 18 |
| Formula | C1136H1736N328O329S18 |
| Total Number of Atoms: | 3547 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 15 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 17960 Absorption 0.1% (=1 g/l) 0.695, assuming all pairs of CYS residues form cystines Ext. coefficient 16960 Absorption 0.1% (=1 g/l) 0.657, assuming all CYS residues are reduced |
| Aromaticity: | 0.088 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 53.31 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.21, 28.57, 19.75] 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: | 66.4286 |
| Grand average of hydropathicity (GRAVY): | -0.15 |