Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4164 |
| Number of amino acids: | 667 |
| Molecular Weight: | 74138.94 Da |
| Theoretical pI: | 7.85 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 34 | 5.1% |
| Cysteine CYS (C) | 16 | 2.4% |
| Glutamic Acid GLU (E) | 30 | 4.5% |
| Aspartic Acid ASP (D) | 36 | 5.4% |
| Glycine GLY (G) | 44 | 6.6% |
| Phynylalanine PHE (F) | 29 | 4.35% |
| Isoleucine ILE (I) | 37 | 5.55% |
| Histidine HIS (H) | 7 | 1.05% |
| Lysine LYS (K) | 32 | 4.8% |
| Methionine MET (M) | 13 | 1.95% |
| Leucine LEU (L) | 63 | 9.45% |
| Asparagine ASN (N) | 37 | 5.55% |
| Glutamine GLN (Q) | 27 | 4.05% |
| Proline PRO (P) | 32 | 4.8% |
| Serine SER (S) | 73 | 10.94% |
| Arginine ARG (R) | 36 | 5.4% |
| Threonine THR (T) | 49 | 7.35% |
| Tryptophan TRP (W) | 6 | 0.9% |
| Valine VAL (V) | 38 | 5.7% |
| Tyrosine TYR (Y) | 28 | 4.2% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 3274 |
| Hydrogen | H | 5141 |
| Nitrogen | N | 891 |
| Oxygen | O | 1014 |
| Sulphur | S | 29 |
| Formula | C3274H5141N891O1014S29 |
| Total Number of Atoms: | 10349 |
| Total number of positively charged residues (ARG + LYS): | 68 |
| Total number of negatively charged residues (ASP + GLU): | 66 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 75720 Absorption 0.1% (=1 g/l) 1.021, assuming all pairs of CYS residues form cystines Ext. coefficient 74720 Absorption 0.1% (=1 g/l) 1.008, assuming all CYS residues are reduced |
| Aromaticity: | 0.094 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 49.03 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.13, 27.89, 20.99] 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: | 80.09 |
| Grand average of hydropathicity (GRAVY): | -0.29 |