Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1265 |
| Number of amino acids: | 153 |
| Molecular Weight: | 15788.48 Da |
| Theoretical pI: | 6.21 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 18 | 11.76% |
| Cysteine CYS (C) | 12 | 7.84% |
| Glutamic Acid GLU (E) | 9 | 5.88% |
| Aspartic Acid ASP (D) | 1 | 0.65% |
| Glycine GLY (G) | 15 | 9.8% |
| Phynylalanine PHE (F) | 5 | 3.27% |
| Isoleucine ILE (I) | 4 | 2.61% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 8 | 5.23% |
| Methionine MET (M) | 4 | 2.61% |
| Leucine LEU (L) | 17 | 11.11% |
| Asparagine ASN (N) | 8 | 5.23% |
| Glutamine GLN (Q) | 3 | 1.96% |
| Proline PRO (P) | 8 | 5.23% |
| Serine SER (S) | 10 | 6.54% |
| Arginine ARG (R) | 2 | 1.31% |
| Threonine THR (T) | 12 | 7.84% |
| Tryptophan TRP (W) | 2 | 1.31% |
| Valine VAL (V) | 13 | 8.5% |
| Tyrosine TYR (Y) | 2 | 1.31% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 690 |
| Hydrogen | H | 1114 |
| Nitrogen | N | 180 |
| Oxygen | O | 209 |
| Sulphur | S | 16 |
| Formula | C690H1114N180O209S16 |
| Total Number of Atoms: | 2209 |
| Total number of positively charged residues (ARG + LYS): | 10 |
| Total number of negatively charged residues (ASP + GLU): | 10 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 14730 Absorption 0.1% (=1 g/l) 0.933, assuming all pairs of CYS residues form cystines Ext. coefficient 13980 Absorption 0.1% (=1 g/l) 0.885, assuming all CYS residues are reduced |
| Aromaticity: | 0.059 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.37 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [28.10, 26.80, 31.37] 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: | 89.9346 |
| Grand average of hydropathicity (GRAVY): | 0.44 |