Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4259 |
| Number of amino acids: | 288 |
| Molecular Weight: | 30416.88 Da |
| Theoretical pI: | 5 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 30 | 10.42% |
| Cysteine CYS (C) | 15 | 5.21% |
| Glutamic Acid GLU (E) | 8 | 2.78% |
| Aspartic Acid ASP (D) | 16 | 5.56% |
| Glycine GLY (G) | 34 | 11.81% |
| Phynylalanine PHE (F) | 17 | 5.9% |
| Isoleucine ILE (I) | 12 | 4.17% |
| Histidine HIS (H) | 4 | 1.39% |
| Lysine LYS (K) | 12 | 4.17% |
| Methionine MET (M) | 4 | 1.39% |
| Leucine LEU (L) | 16 | 5.56% |
| Asparagine ASN (N) | 20 | 6.94% |
| Glutamine GLN (Q) | 13 | 4.51% |
| Proline PRO (P) | 15 | 5.21% |
| Serine SER (S) | 18 | 6.25% |
| Arginine ARG (R) | 5 | 1.74% |
| Threonine THR (T) | 24 | 8.33% |
| Tryptophan TRP (W) | 3 | 1.04% |
| Valine VAL (V) | 11 | 3.82% |
| Tyrosine TYR (Y) | 11 | 3.82% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1331 |
| Hydrogen | H | 2009 |
| Nitrogen | N | 359 |
| Oxygen | O | 423 |
| Sulphur | S | 19 |
| Formula | C1331H2009N359O423S19 |
| Total Number of Atoms: | 4141 |
| Total number of positively charged residues (ARG + LYS): | 17 |
| Total number of negatively charged residues (ASP + GLU): | 24 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 33765 Absorption 0.1% (=1 g/l) 1.110, assuming all pairs of CYS residues form cystines Ext. coefficient 32890 Absorption 0.1% (=1 g/l) 1.081, assuming all CYS residues are reduced |
| Aromaticity: | 0.108 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 26.61 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.31, 30.21, 20.14] 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: | 59.4098 |
| Grand average of hydropathicity (GRAVY): | -0.21 |