Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5569 |
| Number of amino acids: | 257 |
| Molecular Weight: | 27550.59 Da |
| Theoretical pI: | 8.36 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 23 | 8.95% |
| Cysteine CYS (C) | 9 | 3.5% |
| Glutamic Acid GLU (E) | 8 | 3.11% |
| Aspartic Acid ASP (D) | 11 | 4.28% |
| Glycine GLY (G) | 32 | 12.45% |
| Phynylalanine PHE (F) | 14 | 5.45% |
| Isoleucine ILE (I) | 9 | 3.5% |
| Histidine HIS (H) | 6 | 2.33% |
| Lysine LYS (K) | 12 | 4.67% |
| Methionine MET (M) | 4 | 1.56% |
| Leucine LEU (L) | 27 | 10.51% |
| Asparagine ASN (N) | 10 | 3.89% |
| Glutamine GLN (Q) | 6 | 2.33% |
| Proline PRO (P) | 13 | 5.06% |
| Serine SER (S) | 18 | 7% |
| Arginine ARG (R) | 10 | 3.89% |
| Threonine THR (T) | 14 | 5.45% |
| Tryptophan TRP (W) | 6 | 2.33% |
| Valine VAL (V) | 17 | 6.61% |
| Tyrosine TYR (Y) | 8 | 3.11% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1242 |
| Hydrogen | H | 1905 |
| Nitrogen | N | 333 |
| Oxygen | O | 352 |
| Sulphur | S | 13 |
| Formula | C1242H1905N333O352S13 |
| Total Number of Atoms: | 3845 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 45420 Absorption 0.1% (=1 g/l) 1.649, assuming all pairs of CYS residues form cystines Ext. coefficient 44920 Absorption 0.1% (=1 g/l) 1.630, assuming all CYS residues are reduced |
| Aromaticity: | 0.109 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 35.66 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [31.52, 28.40, 24.12] 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: | 82.7625 |
| Grand average of hydropathicity (GRAVY): | 0.07 |