Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_868 |
| Number of amino acids: | 246 |
| Molecular Weight: | 25191.26 Da |
| Theoretical pI: | 5.45 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 26 | 10.57% |
| Cysteine CYS (C) | 17 | 6.91% |
| Glutamic Acid GLU (E) | 5 | 2.03% |
| Aspartic Acid ASP (D) | 12 | 4.88% |
| Glycine GLY (G) | 34 | 13.82% |
| Phynylalanine PHE (F) | 11 | 4.47% |
| Isoleucine ILE (I) | 7 | 2.85% |
| Histidine HIS (H) | 4 | 1.63% |
| Lysine LYS (K) | 8 | 3.25% |
| Methionine MET (M) | 3 | 1.22% |
| Leucine LEU (L) | 15 | 6.1% |
| Asparagine ASN (N) | 10 | 4.07% |
| Glutamine GLN (Q) | 3 | 1.22% |
| Proline PRO (P) | 15 | 6.1% |
| Serine SER (S) | 23 | 9.35% |
| Arginine ARG (R) | 5 | 2.03% |
| Threonine THR (T) | 20 | 8.13% |
| Tryptophan TRP (W) | 3 | 1.22% |
| Valine VAL (V) | 14 | 5.69% |
| Tyrosine TYR (Y) | 11 | 4.47% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1099 |
| Hydrogen | H | 1665 |
| Nitrogen | N | 293 |
| Oxygen | O | 348 |
| Sulphur | S | 20 |
| Formula | C1099H1665N293O348S20 |
| Total Number of Atoms: | 3425 |
| Total number of positively charged residues (ARG + LYS): | 13 |
| Total number of negatively charged residues (ASP + GLU): | 17 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 33890 Absorption 0.1% (=1 g/l) 1.345, assuming all pairs of CYS residues form cystines Ext. coefficient 32890 Absorption 0.1% (=1 g/l) 1.306, assuming all CYS residues are reduced |
| Aromaticity: | 0.102 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 44.77 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.80, 33.33, 19.92] 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: | 61.9512 |
| Grand average of hydropathicity (GRAVY): | 0.06 |