Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1532 |
| Number of amino acids: | 198 |
| Molecular Weight: | 21167 Da |
| Theoretical pI: | 8.83 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 17 | 8.59% |
| Cysteine CYS (C) | 15 | 7.58% |
| Glutamic Acid GLU (E) | 4 | 2.02% |
| Aspartic Acid ASP (D) | 6 | 3.03% |
| Glycine GLY (G) | 25 | 12.63% |
| Phynylalanine PHE (F) | 8 | 4.04% |
| Isoleucine ILE (I) | 9 | 4.55% |
| Histidine HIS (H) | 3 | 1.52% |
| Lysine LYS (K) | 9 | 4.55% |
| Methionine MET (M) | 2 | 1.01% |
| Leucine LEU (L) | 9 | 4.55% |
| Asparagine ASN (N) | 13 | 6.57% |
| Glutamine GLN (Q) | 7 | 3.54% |
| Proline PRO (P) | 14 | 7.07% |
| Serine SER (S) | 9 | 4.55% |
| Arginine ARG (R) | 9 | 4.55% |
| Threonine THR (T) | 20 | 10.1% |
| Tryptophan TRP (W) | 5 | 2.53% |
| Valine VAL (V) | 7 | 3.54% |
| Tyrosine TYR (Y) | 7 | 3.54% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 923 |
| Hydrogen | H | 1413 |
| Nitrogen | N | 265 |
| Oxygen | O | 275 |
| Sulphur | S | 17 |
| Formula | C923H1413N265O275S17 |
| Total Number of Atoms: | 2893 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 10 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 38805 Absorption 0.1% (=1 g/l) 1.833, assuming all pairs of CYS residues form cystines Ext. coefficient 37930 Absorption 0.1% (=1 g/l) 1.792, assuming all CYS residues are reduced |
| Aromaticity: | 0.101 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 39.98 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [22.73, 30.81, 16.16] 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: | 54.2929 |
| Grand average of hydropathicity (GRAVY): | -0.30 |