Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4435 |
| Number of amino acids: | 148 |
| Molecular Weight: | 17524.17 Da |
| Theoretical pI: | 6.13 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 12 | 8.11% |
| Cysteine CYS (C) | 10 | 6.76% |
| Glutamic Acid GLU (E) | 18 | 12.16% |
| Aspartic Acid ASP (D) | 1 | 0.68% |
| Glycine GLY (G) | 6 | 4.05% |
| Phynylalanine PHE (F) | 6 | 4.05% |
| Isoleucine ILE (I) | 2 | 1.35% |
| Histidine HIS (H) | 4 | 2.7% |
| Lysine LYS (K) | 2 | 1.35% |
| Methionine MET (M) | 16 | 10.81% |
| Leucine LEU (L) | 7 | 4.73% |
| Asparagine ASN (N) | 3 | 2.03% |
| Glutamine GLN (Q) | 16 | 10.81% |
| Proline PRO (P) | 3 | 2.03% |
| Serine SER (S) | 9 | 6.08% |
| Arginine ARG (R) | 15 | 10.14% |
| Threonine THR (T) | 5 | 3.38% |
| Tryptophan TRP (W) | 2 | 1.35% |
| Valine VAL (V) | 7 | 4.73% |
| Tyrosine TYR (Y) | 4 | 2.7% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 733 |
| Hydrogen | H | 1156 |
| Nitrogen | N | 224 |
| Oxygen | O | 224 |
| Sulphur | S | 26 |
| Formula | C733H1156N224O224S26 |
| Total Number of Atoms: | 2363 |
| Total number of positively charged residues (ARG + LYS): | 17 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 17585 Absorption 0.1% (=1 g/l) 1.003, assuming all pairs of CYS residues form cystines Ext. coefficient 16960 Absorption 0.1% (=1 g/l) 0.968, assuming all CYS residues are reduced |
| Aromaticity: | 0.081 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 49.84 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [18.92, 14.19, 35.81] 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: | 45.5405 |
| Grand average of hydropathicity (GRAVY): | -0.59 |