Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_754 |
| Number of amino acids: | 244 |
| Molecular Weight: | 26834.17 Da |
| Theoretical pI: | 6.45 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 5.74% |
| Cysteine CYS (C) | 16 | 6.56% |
| Glutamic Acid GLU (E) | 9 | 3.69% |
| Aspartic Acid ASP (D) | 9 | 3.69% |
| Glycine GLY (G) | 29 | 11.89% |
| Phynylalanine PHE (F) | 15 | 6.15% |
| Isoleucine ILE (I) | 6 | 2.46% |
| Histidine HIS (H) | 4 | 1.64% |
| Lysine LYS (K) | 8 | 3.28% |
| Methionine MET (M) | 4 | 1.64% |
| Leucine LEU (L) | 11 | 4.51% |
| Asparagine ASN (N) | 14 | 5.74% |
| Glutamine GLN (Q) | 9 | 3.69% |
| Proline PRO (P) | 21 | 8.61% |
| Serine SER (S) | 12 | 4.92% |
| Arginine ARG (R) | 9 | 3.69% |
| Threonine THR (T) | 24 | 9.84% |
| Tryptophan TRP (W) | 10 | 4.1% |
| Valine VAL (V) | 11 | 4.51% |
| Tyrosine TYR (Y) | 9 | 3.69% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1196 |
| Hydrogen | H | 1748 |
| Nitrogen | N | 320 |
| Oxygen | O | 349 |
| Sulphur | S | 20 |
| Formula | C1196H1748N320O349S20 |
| Total Number of Atoms: | 3633 |
| Total number of positively charged residues (ARG + LYS): | 17 |
| Total number of negatively charged residues (ASP + GLU): | 18 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 69410 Absorption 0.1% (=1 g/l) 2.587, assuming all pairs of CYS residues form cystines Ext. coefficient 68410 Absorption 0.1% (=1 g/l) 2.549, assuming all CYS residues are reduced |
| Aromaticity: | 0.139 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.29 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.41, 31.15, 15.57] 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: | 45.9836 |
| Grand average of hydropathicity (GRAVY): | -0.37 |