Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5374 |
| Number of amino acids: | 149 |
| Molecular Weight: | 16526.11 Da |
| Theoretical pI: | 5.79 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 13 | 8.72% |
| Cysteine CYS (C) | 12 | 8.05% |
| Glutamic Acid GLU (E) | 7 | 4.7% |
| Aspartic Acid ASP (D) | 6 | 4.03% |
| Glycine GLY (G) | 7 | 4.7% |
| Phynylalanine PHE (F) | 6 | 4.03% |
| Isoleucine ILE (I) | 5 | 3.36% |
| Histidine HIS (H) | 1 | 0.67% |
| Lysine LYS (K) | 3 | 2.01% |
| Methionine MET (M) | 5 | 3.36% |
| Leucine LEU (L) | 13 | 8.72% |
| Asparagine ASN (N) | 4 | 2.68% |
| Glutamine GLN (Q) | 11 | 7.38% |
| Proline PRO (P) | 13 | 8.72% |
| Serine SER (S) | 10 | 6.71% |
| Arginine ARG (R) | 9 | 6.04% |
| Threonine THR (T) | 9 | 6.04% |
| Tryptophan TRP (W) | 3 | 2.01% |
| Valine VAL (V) | 9 | 6.04% |
| Tyrosine TYR (Y) | 3 | 2.01% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 720 |
| Hydrogen | H | 1129 |
| Nitrogen | N | 199 |
| Oxygen | O | 213 |
| Sulphur | S | 17 |
| Formula | C720H1129N199O213S17 |
| Total Number of Atoms: | 2278 |
| Total number of positively charged residues (ARG + LYS): | 12 |
| Total number of negatively charged residues (ASP + GLU): | 13 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 21720 Absorption 0.1% (=1 g/l) 1.314, assuming all pairs of CYS residues form cystines Ext. coefficient 20970 Absorption 0.1% (=1 g/l) 1.269, assuming all CYS residues are reduced |
| Aromaticity: | 0.081 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 52.11 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.17, 22.82, 25.50] 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: | 73.3557 |
| Grand average of hydropathicity (GRAVY): | -0.06 |