Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4556 |
| Number of amino acids: | 200 |
| Molecular Weight: | 21418.98 Da |
| Theoretical pI: | 8.56 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 12 | 6% |
| Cysteine CYS (C) | 14 | 7% |
| Glutamic Acid GLU (E) | 1 | 0.5% |
| Aspartic Acid ASP (D) | 10 | 5% |
| Glycine GLY (G) | 24 | 12% |
| Phynylalanine PHE (F) | 7 | 3.5% |
| Isoleucine ILE (I) | 8 | 4% |
| Histidine HIS (H) | 3 | 1.5% |
| Lysine LYS (K) | 6 | 3% |
| Methionine MET (M) | 1 | 0.5% |
| Leucine LEU (L) | 13 | 6.5% |
| Asparagine ASN (N) | 15 | 7.5% |
| Glutamine GLN (Q) | 13 | 6.5% |
| Proline PRO (P) | 8 | 4% |
| Serine SER (S) | 18 | 9% |
| Arginine ARG (R) | 10 | 5% |
| Threonine THR (T) | 15 | 7.5% |
| Tryptophan TRP (W) | 5 | 2.5% |
| Valine VAL (V) | 12 | 6% |
| Tyrosine TYR (Y) | 5 | 2.5% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 918 |
| Hydrogen | H | 1425 |
| Nitrogen | N | 275 |
| Oxygen | O | 289 |
| Sulphur | S | 15 |
| Formula | C918H1425N275O289S15 |
| Total Number of Atoms: | 2922 |
| Total number of positively charged residues (ARG + LYS): | 16 |
| Total number of negatively charged residues (ASP + GLU): | 11 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 35825 Absorption 0.1% (=1 g/l) 1.673, assuming all pairs of CYS residues form cystines Ext. coefficient 34950 Absorption 0.1% (=1 g/l) 1.632, assuming all CYS residues are reduced |
| Aromaticity: | 0.085 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 22.65 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.00, 32.50, 13.50] 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: | 64.35 |
| Grand average of hydropathicity (GRAVY): | -0.29 |