Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5848 |
| Number of amino acids: | 158 |
| Molecular Weight: | 18459.97 Da |
| Theoretical pI: | 5.18 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 4 | 2.53% |
| Cysteine CYS (C) | 10 | 6.33% |
| Glutamic Acid GLU (E) | 17 | 10.76% |
| Aspartic Acid ASP (D) | 15 | 9.49% |
| Glycine GLY (G) | 7 | 4.43% |
| Phynylalanine PHE (F) | 3 | 1.9% |
| Isoleucine ILE (I) | 11 | 6.96% |
| Histidine HIS (H) | 5 | 3.16% |
| Lysine LYS (K) | 15 | 9.49% |
| Methionine MET (M) | 9 | 5.7% |
| Leucine LEU (L) | 13 | 8.23% |
| Asparagine ASN (N) | 6 | 3.8% |
| Glutamine GLN (Q) | 12 | 7.59% |
| Proline PRO (P) | 3 | 1.9% |
| Serine SER (S) | 9 | 5.7% |
| Arginine ARG (R) | 9 | 5.7% |
| Threonine THR (T) | 7 | 4.43% |
| Tryptophan TRP (W) | 1 | 0.63% |
| Valine VAL (V) | 1 | 0.63% |
| Tyrosine TYR (Y) | 1 | 0.63% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 770 |
| Hydrogen | H | 1257 |
| Nitrogen | N | 229 |
| Oxygen | O | 258 |
| Sulphur | S | 19 |
| Formula | C770H1257N229O258S19 |
| Total Number of Atoms: | 2533 |
| Total number of positively charged residues (ARG + LYS): | 24 |
| Total number of negatively charged residues (ASP + GLU): | 32 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 7615 Absorption 0.1% (=1 g/l) 0.413, assuming all pairs of CYS residues form cystines Ext. coefficient 6990 Absorption 0.1% (=1 g/l) 0.379, assuming all CYS residues are reduced |
| Aromaticity: | 0.032 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 64.83 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [18.99, 15.82, 27.22] 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: | 63.6076 |
| Grand average of hydropathicity (GRAVY): | -0.96 |