Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5656 |
| Number of amino acids: | 186 |
| Molecular Weight: | 21054.74 Da |
| Theoretical pI: | 7.68 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 17 | 9.14% |
| Cysteine CYS (C) | 8 | 4.3% |
| Glutamic Acid GLU (E) | 16 | 8.6% |
| Aspartic Acid ASP (D) | 5 | 2.69% |
| Glycine GLY (G) | 15 | 8.06% |
| Phynylalanine PHE (F) | 6 | 3.23% |
| Isoleucine ILE (I) | 3 | 1.61% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 1 | 0.54% |
| Methionine MET (M) | 11 | 5.91% |
| Leucine LEU (L) | 11 | 5.91% |
| Asparagine ASN (N) | 0 | 0% |
| Glutamine GLN (Q) | 22 | 11.83% |
| Proline PRO (P) | 8 | 4.3% |
| Serine SER (S) | 20 | 10.75% |
| Arginine ARG (R) | 21 | 11.29% |
| Threonine THR (T) | 3 | 1.61% |
| Tryptophan TRP (W) | 1 | 0.54% |
| Valine VAL (V) | 9 | 4.84% |
| Tyrosine TYR (Y) | 9 | 4.84% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 889 |
| Hydrogen | H | 1405 |
| Nitrogen | N | 273 |
| Oxygen | O | 283 |
| Sulphur | S | 19 |
| Formula | C889H1405N273O283S19 |
| Total Number of Atoms: | 2869 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 21 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 19410 Absorption 0.1% (=1 g/l) 0.922, assuming all pairs of CYS residues form cystines Ext. coefficient 18910 Absorption 0.1% (=1 g/l) 0.898, assuming all CYS residues are reduced |
| Aromaticity: | 0.086 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 71.61 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [20.97, 23.12, 29.57] 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: | 52.5269 |
| Grand average of hydropathicity (GRAVY): | -0.63 |