Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_901 |
| Number of amino acids: | 173 |
| Molecular Weight: | 17591.55 Da |
| Theoretical pI: | 4.6 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 21 | 12.14% |
| Cysteine CYS (C) | 10 | 5.78% |
| Glutamic Acid GLU (E) | 2 | 1.16% |
| Aspartic Acid ASP (D) | 10 | 5.78% |
| Glycine GLY (G) | 23 | 13.29% |
| Phynylalanine PHE (F) | 8 | 4.62% |
| Isoleucine ILE (I) | 5 | 2.89% |
| Histidine HIS (H) | 3 | 1.73% |
| Lysine LYS (K) | 2 | 1.16% |
| Methionine MET (M) | 2 | 1.16% |
| Leucine LEU (L) | 11 | 6.36% |
| Asparagine ASN (N) | 7 | 4.05% |
| Glutamine GLN (Q) | 5 | 2.89% |
| Proline PRO (P) | 11 | 6.36% |
| Serine SER (S) | 16 | 9.25% |
| Arginine ARG (R) | 4 | 2.31% |
| Threonine THR (T) | 16 | 9.25% |
| Tryptophan TRP (W) | 3 | 1.73% |
| Valine VAL (V) | 9 | 5.2% |
| Tyrosine TYR (Y) | 5 | 2.89% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 764 |
| Hydrogen | H | 1156 |
| Nitrogen | N | 208 |
| Oxygen | O | 247 |
| Sulphur | S | 12 |
| Formula | C764H1156N208O247S12 |
| Total Number of Atoms: | 2387 |
| Total number of positively charged residues (ARG + LYS): | 6 |
| Total number of negatively charged residues (ASP + GLU): | 12 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 24575 Absorption 0.1% (=1 g/l) 1.397, assuming all pairs of CYS residues form cystines Ext. coefficient 23950 Absorption 0.1% (=1 g/l) 1.361, assuming all CYS residues are reduced |
| Aromaticity: | 0.092 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 28.61 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.70, 32.95, 20.81] 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: | 63.2947 |
| Grand average of hydropathicity (GRAVY): | 0.07 |