Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_778 |
| Number of amino acids: | 164 |
| Molecular Weight: | 16350.33 Da |
| Theoretical pI: | 4.59 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 20 | 12.2% |
| Cysteine CYS (C) | 9 | 5.49% |
| Glutamic Acid GLU (E) | 1 | 0.61% |
| Aspartic Acid ASP (D) | 7 | 4.27% |
| Glycine GLY (G) | 24 | 14.63% |
| Phynylalanine PHE (F) | 6 | 3.66% |
| Isoleucine ILE (I) | 4 | 2.44% |
| Histidine HIS (H) | 2 | 1.22% |
| Lysine LYS (K) | 1 | 0.61% |
| Methionine MET (M) | 4 | 2.44% |
| Leucine LEU (L) | 13 | 7.93% |
| Asparagine ASN (N) | 9 | 5.49% |
| Glutamine GLN (Q) | 4 | 2.44% |
| Proline PRO (P) | 10 | 6.1% |
| Serine SER (S) | 15 | 9.15% |
| Arginine ARG (R) | 3 | 1.83% |
| Threonine THR (T) | 17 | 10.37% |
| Tryptophan TRP (W) | 3 | 1.83% |
| Valine VAL (V) | 9 | 5.49% |
| Tyrosine TYR (Y) | 3 | 1.83% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 704 |
| Hydrogen | H | 1088 |
| Nitrogen | N | 194 |
| Oxygen | O | 229 |
| Sulphur | S | 13 |
| Formula | C704H1088N194O229S13 |
| Total Number of Atoms: | 2228 |
| Total number of positively charged residues (ARG + LYS): | 4 |
| Total number of negatively charged residues (ASP + GLU): | 8 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 21470 Absorption 0.1% (=1 g/l) 1.313, assuming all pairs of CYS residues form cystines Ext. coefficient 20970 Absorption 0.1% (=1 g/l) 1.283, assuming all CYS residues are reduced |
| Aromaticity: | 0.073 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.20 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.17, 35.37, 23.17] 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: | 68.5365 |
| Grand average of hydropathicity (GRAVY): | 0.21 |