Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_956 |
| Number of amino acids: | 253 |
| Molecular Weight: | 27048.9 Da |
| Theoretical pI: | 7.85 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 24 | 9.49% |
| Cysteine CYS (C) | 19 | 7.51% |
| Glutamic Acid GLU (E) | 8 | 3.16% |
| Aspartic Acid ASP (D) | 6 | 2.37% |
| Glycine GLY (G) | 23 | 9.09% |
| Phynylalanine PHE (F) | 16 | 6.32% |
| Isoleucine ILE (I) | 6 | 2.37% |
| Histidine HIS (H) | 16 | 6.32% |
| Lysine LYS (K) | 6 | 2.37% |
| Methionine MET (M) | 2 | 0.79% |
| Leucine LEU (L) | 24 | 9.49% |
| Asparagine ASN (N) | 9 | 3.56% |
| Glutamine GLN (Q) | 6 | 2.37% |
| Proline PRO (P) | 20 | 7.91% |
| Serine SER (S) | 19 | 7.51% |
| Arginine ARG (R) | 10 | 3.95% |
| Threonine THR (T) | 20 | 7.91% |
| Tryptophan TRP (W) | 2 | 0.79% |
| Valine VAL (V) | 12 | 4.74% |
| Tyrosine TYR (Y) | 5 | 1.98% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1195 |
| Hydrogen | H | 1818 |
| Nitrogen | N | 338 |
| Oxygen | O | 341 |
| Sulphur | S | 21 |
| Formula | C1195H1818N338O341S21 |
| Total Number of Atoms: | 3713 |
| Total number of positively charged residues (ARG + LYS): | 16 |
| Total number of negatively charged residues (ASP + GLU): | 14 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 19575 Absorption 0.1% (=1 g/l) 0.724, assuming all pairs of CYS residues form cystines Ext. coefficient 18450 Absorption 0.1% (=1 g/l) 0.682, assuming all CYS residues are reduced |
| Aromaticity: | 0.091 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 51.11 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.69, 28.06, 22.92] 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: | 69.4862 |
| Grand average of hydropathicity (GRAVY): | 0.03 |