Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4821 |
| Number of amino acids: | 264 |
| Molecular Weight: | 27284.79 Da |
| Theoretical pI: | 9.53 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 34 | 12.88% |
| Cysteine CYS (C) | 8 | 3.03% |
| Glutamic Acid GLU (E) | 1 | 0.38% |
| Aspartic Acid ASP (D) | 11 | 4.17% |
| Glycine GLY (G) | 42 | 15.91% |
| Phynylalanine PHE (F) | 12 | 4.55% |
| Isoleucine ILE (I) | 5 | 1.89% |
| Histidine HIS (H) | 6 | 2.27% |
| Lysine LYS (K) | 4 | 1.52% |
| Methionine MET (M) | 5 | 1.89% |
| Leucine LEU (L) | 21 | 7.95% |
| Asparagine ASN (N) | 9 | 3.41% |
| Glutamine GLN (Q) | 9 | 3.41% |
| Proline PRO (P) | 12 | 4.55% |
| Serine SER (S) | 22 | 8.33% |
| Arginine ARG (R) | 18 | 6.82% |
| Threonine THR (T) | 15 | 5.68% |
| Tryptophan TRP (W) | 6 | 2.27% |
| Valine VAL (V) | 17 | 6.44% |
| Tyrosine TYR (Y) | 7 | 2.65% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1197 |
| Hydrogen | H | 1846 |
| Nitrogen | N | 358 |
| Oxygen | O | 351 |
| Sulphur | S | 13 |
| Formula | C1197H1846N358O351S13 |
| Total Number of Atoms: | 3765 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 12 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 43930 Absorption 0.1% (=1 g/l) 1.610, assuming all pairs of CYS residues form cystines Ext. coefficient 43430 Absorption 0.1% (=1 g/l) 1.592, assuming all CYS residues are reduced |
| Aromaticity: | 0.095 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 48.09 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.76, 32.20, 23.11] 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: | 69.9621 |
| Grand average of hydropathicity (GRAVY): | -0.01 |