Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4961 |
| Number of amino acids: | 230 |
| Molecular Weight: | 25396.57 Da |
| Theoretical pI: | 5.09 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 11 | 4.78% |
| Cysteine CYS (C) | 11 | 4.78% |
| Glutamic Acid GLU (E) | 13 | 5.65% |
| Aspartic Acid ASP (D) | 13 | 5.65% |
| Glycine GLY (G) | 18 | 7.83% |
| Phynylalanine PHE (F) | 13 | 5.65% |
| Isoleucine ILE (I) | 12 | 5.22% |
| Histidine HIS (H) | 5 | 2.17% |
| Lysine LYS (K) | 15 | 6.52% |
| Methionine MET (M) | 2 | 0.87% |
| Leucine LEU (L) | 20 | 8.7% |
| Asparagine ASN (N) | 8 | 3.48% |
| Glutamine GLN (Q) | 8 | 3.48% |
| Proline PRO (P) | 14 | 6.09% |
| Serine SER (S) | 31 | 13.48% |
| Arginine ARG (R) | 3 | 1.3% |
| Threonine THR (T) | 10 | 4.35% |
| Tryptophan TRP (W) | 6 | 2.61% |
| Valine VAL (V) | 8 | 3.48% |
| Tyrosine TYR (Y) | 9 | 3.91% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1138 |
| Hydrogen | H | 1708 |
| Nitrogen | N | 286 |
| Oxygen | O | 349 |
| Sulphur | S | 13 |
| Formula | C1138H1708N286O349S13 |
| Total Number of Atoms: | 3494 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 26 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 47035 Absorption 0.1% (=1 g/l) 1.852, assuming all pairs of CYS residues form cystines Ext. coefficient 46410 Absorption 0.1% (=1 g/l) 1.827, assuming all CYS residues are reduced |
| Aromaticity: | 0.122 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 39.86 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.57, 30.87, 20.00] 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: | 69.1304 |
| Grand average of hydropathicity (GRAVY): | -0.27 |