Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4613 |
| Number of amino acids: | 287 |
| Molecular Weight: | 32790.01 Da |
| Theoretical pI: | 5.49 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 10 | 3.48% |
| Cysteine CYS (C) | 12 | 4.18% |
| Glutamic Acid GLU (E) | 13 | 4.53% |
| Aspartic Acid ASP (D) | 12 | 4.18% |
| Glycine GLY (G) | 11 | 3.83% |
| Phynylalanine PHE (F) | 15 | 5.23% |
| Isoleucine ILE (I) | 13 | 4.53% |
| Histidine HIS (H) | 2 | 0.7% |
| Lysine LYS (K) | 13 | 4.53% |
| Methionine MET (M) | 3 | 1.05% |
| Leucine LEU (L) | 28 | 9.76% |
| Asparagine ASN (N) | 13 | 4.53% |
| Glutamine GLN (Q) | 10 | 3.48% |
| Proline PRO (P) | 23 | 8.01% |
| Serine SER (S) | 38 | 13.24% |
| Arginine ARG (R) | 9 | 3.14% |
| Threonine THR (T) | 21 | 7.32% |
| Tryptophan TRP (W) | 3 | 1.05% |
| Valine VAL (V) | 10 | 3.48% |
| Tyrosine TYR (Y) | 28 | 9.76% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1491 |
| Hydrogen | H | 2215 |
| Nitrogen | N | 357 |
| Oxygen | O | 448 |
| Sulphur | S | 15 |
| Formula | C1491H2215N357O448S15 |
| Total Number of Atoms: | 4526 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 25 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 58970 Absorption 0.1% (=1 g/l) 1.798, assuming all pairs of CYS residues form cystines Ext. coefficient 58220 Absorption 0.1% (=1 g/l) 1.776, assuming all CYS residues are reduced |
| Aromaticity: | 0.160 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 45.35 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [33.80, 29.62, 18.82] 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: | 69.3032 |
| Grand average of hydropathicity (GRAVY): | -0.31 |