Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4943 |
| Number of amino acids: | 675 |
| Molecular Weight: | 75349.05 Da |
| Theoretical pI: | 6.58 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 45 | 6.67% |
| Cysteine CYS (C) | 18 | 2.67% |
| Glutamic Acid GLU (E) | 39 | 5.78% |
| Aspartic Acid ASP (D) | 36 | 5.33% |
| Glycine GLY (G) | 36 | 5.33% |
| Phynylalanine PHE (F) | 29 | 4.3% |
| Isoleucine ILE (I) | 39 | 5.78% |
| Histidine HIS (H) | 9 | 1.33% |
| Lysine LYS (K) | 33 | 4.89% |
| Methionine MET (M) | 14 | 2.07% |
| Leucine LEU (L) | 65 | 9.63% |
| Asparagine ASN (N) | 34 | 5.04% |
| Glutamine GLN (Q) | 20 | 2.96% |
| Proline PRO (P) | 28 | 4.15% |
| Serine SER (S) | 65 | 9.63% |
| Arginine ARG (R) | 40 | 5.93% |
| Threonine THR (T) | 41 | 6.07% |
| Tryptophan TRP (W) | 5 | 0.74% |
| Valine VAL (V) | 52 | 7.7% |
| Tyrosine TYR (Y) | 27 | 4% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 3340 |
| Hydrogen | H | 5281 |
| Nitrogen | N | 905 |
| Oxygen | O | 1013 |
| Sulphur | S | 32 |
| Formula | C3340H5281N905O1013S32 |
| Total Number of Atoms: | 10571 |
| Total number of positively charged residues (ARG + LYS): | 73 |
| Total number of negatively charged residues (ASP + GLU): | 75 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 68855 Absorption 0.1% (=1 g/l) 0.914, assuming all pairs of CYS residues form cystines Ext. coefficient 67730 Absorption 0.1% (=1 g/l) 0.899, assuming all CYS residues are reduced |
| Aromaticity: | 0.090 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 48.80 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [32.15, 24.15, 24.15] 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: | 89.0963 |
| Grand average of hydropathicity (GRAVY): | -0.14 |