Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1561 |
| Number of amino acids: | 31 |
| Molecular Weight: | 3641.27 Da |
| Theoretical pI: | 10.06 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 2 | 6.45% |
| Cysteine CYS (C) | 2 | 6.45% |
| Glutamic Acid GLU (E) | 0 | 0% |
| Aspartic Acid ASP (D) | 1 | 3.23% |
| Glycine GLY (G) | 1 | 3.23% |
| Phynylalanine PHE (F) | 3 | 9.68% |
| Isoleucine ILE (I) | 2 | 6.45% |
| Histidine HIS (H) | 1 | 3.23% |
| Lysine LYS (K) | 4 | 12.9% |
| Methionine MET (M) | 0 | 0% |
| Leucine LEU (L) | 0 | 0% |
| Asparagine ASN (N) | 2 | 6.45% |
| Glutamine GLN (Q) | 0 | 0% |
| Proline PRO (P) | 6 | 19.35% |
| Serine SER (S) | 1 | 3.23% |
| Arginine ARG (R) | 2 | 6.45% |
| Threonine THR (T) | 2 | 6.45% |
| Tryptophan TRP (W) | 2 | 6.45% |
| Valine VAL (V) | 0 | 0% |
| Tyrosine TYR (Y) | 0 | 0% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 170 |
| Hydrogen | H | 251 |
| Nitrogen | N | 47 |
| Oxygen | O | 39 |
| Sulphur | S | 2 |
| Formula | C170H251N47O39S2 |
| Total Number of Atoms: | 509 |
| Total number of positively charged residues (ARG + LYS): | 6 |
| Total number of negatively charged residues (ASP + GLU): | 1 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 11125 Absorption 0.1% (=1 g/l) 3.055, assuming all pairs of CYS residues form cystines Ext. coefficient 11000 Absorption 0.1% (=1 g/l) 3.021, assuming all CYS residues are reduced |
| Aromaticity: | 0.161 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 51.97 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [22.58, 32.26, 6.45] 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: | 31.6129 |
| Grand average of hydropathicity (GRAVY): | -0.85 |