Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_994 |
| Number of amino acids: | 226 |
| Molecular Weight: | 23512.1 Da |
| Theoretical pI: | 4.67 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 28 | 12.39% |
| Cysteine CYS (C) | 16 | 7.08% |
| Glutamic Acid GLU (E) | 7 | 3.1% |
| Aspartic Acid ASP (D) | 12 | 5.31% |
| Glycine GLY (G) | 29 | 12.83% |
| Phynylalanine PHE (F) | 15 | 6.64% |
| Isoleucine ILE (I) | 8 | 3.54% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 3 | 1.33% |
| Methionine MET (M) | 1 | 0.44% |
| Leucine LEU (L) | 7 | 3.1% |
| Asparagine ASN (N) | 10 | 4.42% |
| Glutamine GLN (Q) | 6 | 2.65% |
| Proline PRO (P) | 20 | 8.85% |
| Serine SER (S) | 15 | 6.64% |
| Arginine ARG (R) | 11 | 4.87% |
| Threonine THR (T) | 18 | 7.96% |
| Tryptophan TRP (W) | 2 | 0.88% |
| Valine VAL (V) | 8 | 3.54% |
| Tyrosine TYR (Y) | 10 | 4.42% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1026 |
| Hydrogen | H | 1526 |
| Nitrogen | N | 280 |
| Oxygen | O | 324 |
| Sulphur | S | 17 |
| Formula | C1026H1526N280O324S17 |
| Total Number of Atoms: | 3173 |
| Total number of positively charged residues (ARG + LYS): | 14 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 26900 Absorption 0.1% (=1 g/l) 1.144, assuming all pairs of CYS residues form cystines Ext. coefficient 25900 Absorption 0.1% (=1 g/l) 1.102, assuming all CYS residues are reduced |
| Aromaticity: | 0.119 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 40.27 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [22.12, 32.74, 19.03] 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: | 48.5398 |
| Grand average of hydropathicity (GRAVY): | -0.16 |