Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1113 |
| Number of amino acids: | 246 |
| Molecular Weight: | 25437.52 Da |
| Theoretical pI: | 4.53 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 24 | 9.76% |
| Cysteine CYS (C) | 17 | 6.91% |
| Glutamic Acid GLU (E) | 7 | 2.85% |
| Aspartic Acid ASP (D) | 11 | 4.47% |
| Glycine GLY (G) | 24 | 9.76% |
| Phynylalanine PHE (F) | 13 | 5.28% |
| Isoleucine ILE (I) | 7 | 2.85% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 9 | 3.66% |
| Methionine MET (M) | 1 | 0.41% |
| Leucine LEU (L) | 18 | 7.32% |
| Asparagine ASN (N) | 10 | 4.07% |
| Glutamine GLN (Q) | 10 | 4.07% |
| Proline PRO (P) | 18 | 7.32% |
| Serine SER (S) | 28 | 11.38% |
| Arginine ARG (R) | 3 | 1.22% |
| Threonine THR (T) | 24 | 9.76% |
| Tryptophan TRP (W) | 3 | 1.22% |
| Valine VAL (V) | 12 | 4.88% |
| Tyrosine TYR (Y) | 7 | 2.85% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1110 |
| Hydrogen | H | 1703 |
| Nitrogen | N | 287 |
| Oxygen | O | 362 |
| Sulphur | S | 18 |
| Formula | C1110H1703N287O362S18 |
| Total Number of Atoms: | 3480 |
| Total number of positively charged residues (ARG + LYS): | 12 |
| 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 27930 Absorption 0.1% (=1 g/l) 1.098, assuming all pairs of CYS residues form cystines Ext. coefficient 26930 Absorption 0.1% (=1 g/l) 1.059, assuming all CYS residues are reduced |
| Aromaticity: | 0.093 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.82 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.39, 32.52, 20.33] 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: | 63.5366 |
| Grand average of hydropathicity (GRAVY): | 0.01 |