Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_694 |
| Number of amino acids: | 143 |
| Molecular Weight: | 16205.2 Da |
| Theoretical pI: | 5.92 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 8 | 5.59% |
| Cysteine CYS (C) | 2 | 1.4% |
| Glutamic Acid GLU (E) | 10 | 6.99% |
| Aspartic Acid ASP (D) | 7 | 4.9% |
| Glycine GLY (G) | 11 | 7.69% |
| Phynylalanine PHE (F) | 6 | 4.2% |
| Isoleucine ILE (I) | 8 | 5.59% |
| Histidine HIS (H) | 3 | 2.1% |
| Lysine LYS (K) | 8 | 5.59% |
| Methionine MET (M) | 2 | 1.4% |
| Leucine LEU (L) | 13 | 9.09% |
| Asparagine ASN (N) | 16 | 11.19% |
| Glutamine GLN (Q) | 7 | 4.9% |
| Proline PRO (P) | 4 | 2.8% |
| Serine SER (S) | 5 | 3.5% |
| Arginine ARG (R) | 7 | 4.9% |
| Threonine THR (T) | 9 | 6.29% |
| Tryptophan TRP (W) | 2 | 1.4% |
| Valine VAL (V) | 10 | 6.99% |
| Tyrosine TYR (Y) | 5 | 3.5% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 715 |
| Hydrogen | H | 1117 |
| Nitrogen | N | 203 |
| Oxygen | O | 220 |
| Sulphur | S | 4 |
| Formula | C715H1117N203O220S4 |
| Total Number of Atoms: | 2259 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| 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 18575 Absorption 0.1% (=1 g/l) 1.146, assuming all pairs of CYS residues form cystines Ext. coefficient 18450 Absorption 0.1% (=1 g/l) 1.139, assuming all CYS residues are reduced |
| Aromaticity: | 0.091 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 29.07 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.77, 25.17, 23.08] 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: | 83.1469 |
| Grand average of hydropathicity (GRAVY): | -0.52 |