Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5546 |
| Number of amino acids: | 500 |
| Molecular Weight: | 53514.9 Da |
| Theoretical pI: | 8.19 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 75 | 15% |
| Cysteine CYS (C) | 5 | 1% |
| Glutamic Acid GLU (E) | 9 | 1.8% |
| Aspartic Acid ASP (D) | 34 | 6.8% |
| Glycine GLY (G) | 50 | 10% |
| Phynylalanine PHE (F) | 18 | 3.6% |
| Isoleucine ILE (I) | 6 | 1.2% |
| Histidine HIS (H) | 12 | 2.4% |
| Lysine LYS (K) | 9 | 1.8% |
| Methionine MET (M) | 13 | 2.6% |
| Leucine LEU (L) | 41 | 8.2% |
| Asparagine ASN (N) | 14 | 2.8% |
| Glutamine GLN (Q) | 13 | 2.6% |
| Proline PRO (P) | 23 | 4.6% |
| Serine SER (S) | 47 | 9.4% |
| Arginine ARG (R) | 36 | 7.2% |
| Threonine THR (T) | 22 | 4.4% |
| Tryptophan TRP (W) | 9 | 1.8% |
| Valine VAL (V) | 36 | 7.2% |
| Tyrosine TYR (Y) | 28 | 5.6% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2368 |
| Hydrogen | H | 3609 |
| Nitrogen | N | 677 |
| Oxygen | O | 711 |
| Sulphur | S | 18 |
| Formula | C2368H3609N677O711S18 |
| Total Number of Atoms: | 7383 |
| Total number of positively charged residues (ARG + LYS): | 45 |
| Total number of negatively charged residues (ASP + GLU): | 43 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 91470 Absorption 0.1% (=1 g/l) 1.709, assuming all pairs of CYS residues form cystines Ext. coefficient 91220 Absorption 0.1% (=1 g/l) 1.705, assuming all CYS residues are reduced |
| Aromaticity: | 0.110 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.16 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.60, 26.80, 27.60] 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: | 72.54 |
| Grand average of hydropathicity (GRAVY): | -0.16 |