Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_2232 |
| Number of amino acids: | 80 |
| Molecular Weight: | 9139.47 Da |
| Theoretical pI: | 5.65 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 6 | 7.5% |
| Cysteine CYS (C) | 9 | 11.25% |
| Glutamic Acid GLU (E) | 4 | 5% |
| Aspartic Acid ASP (D) | 5 | 6.25% |
| Glycine GLY (G) | 5 | 6.25% |
| Phynylalanine PHE (F) | 6 | 7.5% |
| Isoleucine ILE (I) | 4 | 5% |
| Histidine HIS (H) | 1 | 1.25% |
| Lysine LYS (K) | 3 | 3.75% |
| Methionine MET (M) | 1 | 1.25% |
| Leucine LEU (L) | 5 | 6.25% |
| Asparagine ASN (N) | 4 | 5% |
| Glutamine GLN (Q) | 1 | 1.25% |
| Proline PRO (P) | 2 | 2.5% |
| Serine SER (S) | 4 | 5% |
| Arginine ARG (R) | 5 | 6.25% |
| Threonine THR (T) | 5 | 6.25% |
| Tryptophan TRP (W) | 2 | 2.5% |
| Valine VAL (V) | 4 | 5% |
| Tyrosine TYR (Y) | 4 | 5% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 403 |
| Hydrogen | H | 603 |
| Nitrogen | N | 107 |
| Oxygen | O | 117 |
| Sulphur | S | 10 |
| Formula | C403H603N107O117S10 |
| Total Number of Atoms: | 1240 |
| Total number of positively charged residues (ARG + LYS): | 8 |
| Total number of negatively charged residues (ASP + GLU): | 9 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 17460 Absorption 0.1% (=1 g/l) 1.910, assuming all pairs of CYS residues form cystines Ext. coefficient 16960 Absorption 0.1% (=1 g/l) 1.856, assuming all CYS residues are reduced |
| Aromaticity: | 0.150 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 31.07 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [31.25, 18.75, 20.00] 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: | 65.875 |
| Grand average of hydropathicity (GRAVY): | 0.01 |