Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_773 |
| Number of amino acids: | 163 |
| Molecular Weight: | 16291.2 Da |
| Theoretical pI: | 4.88 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 20 | 12.27% |
| Cysteine CYS (C) | 9 | 5.52% |
| Glutamic Acid GLU (E) | 1 | 0.61% |
| Aspartic Acid ASP (D) | 7 | 4.29% |
| Glycine GLY (G) | 23 | 14.11% |
| Phynylalanine PHE (F) | 6 | 3.68% |
| Isoleucine ILE (I) | 4 | 2.45% |
| Histidine HIS (H) | 3 | 1.84% |
| Lysine LYS (K) | 1 | 0.61% |
| Methionine MET (M) | 3 | 1.84% |
| Leucine LEU (L) | 13 | 7.98% |
| Asparagine ASN (N) | 9 | 5.52% |
| Glutamine GLN (Q) | 4 | 2.45% |
| Proline PRO (P) | 8 | 4.91% |
| Serine SER (S) | 16 | 9.82% |
| Arginine ARG (R) | 3 | 1.84% |
| Threonine THR (T) | 17 | 10.43% |
| Tryptophan TRP (W) | 3 | 1.84% |
| Valine VAL (V) | 10 | 6.13% |
| Tyrosine TYR (Y) | 3 | 1.84% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 701 |
| Hydrogen | H | 1083 |
| Nitrogen | N | 195 |
| Oxygen | O | 229 |
| Sulphur | S | 12 |
| Formula | C701H1083N195O229S12 |
| Total Number of Atoms: | 2220 |
| 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) 1.318, assuming all pairs of CYS residues form cystines Ext. coefficient 20970 Absorption 0.1% (=1 g/l) 1.287, assuming all CYS residues are reduced |
| Aromaticity: | 0.074 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 40.74 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.93, 34.36, 22.70] 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: | 70.7362 |
| Grand average of hydropathicity (GRAVY): | 0.23 |