Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4056 |
| Number of amino acids: | 183 |
| Molecular Weight: | 19558.55 Da |
| Theoretical pI: | 7.65 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 20 | 10.93% |
| Cysteine CYS (C) | 12 | 6.56% |
| Glutamic Acid GLU (E) | 3 | 1.64% |
| Aspartic Acid ASP (D) | 0 | 0% |
| Glycine GLY (G) | 15 | 8.2% |
| Phynylalanine PHE (F) | 7 | 3.83% |
| Isoleucine ILE (I) | 2 | 1.09% |
| Histidine HIS (H) | 4 | 2.19% |
| Lysine LYS (K) | 1 | 0.55% |
| Methionine MET (M) | 4 | 2.19% |
| Leucine LEU (L) | 19 | 10.38% |
| Asparagine ASN (N) | 1 | 0.55% |
| Glutamine GLN (Q) | 31 | 16.94% |
| Proline PRO (P) | 25 | 13.66% |
| Serine SER (S) | 11 | 6.01% |
| Arginine ARG (R) | 3 | 1.64% |
| Threonine THR (T) | 6 | 3.28% |
| Tryptophan TRP (W) | 1 | 0.55% |
| Valine VAL (V) | 10 | 5.46% |
| Tyrosine TYR (Y) | 8 | 4.37% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 872 |
| Hydrogen | H | 1332 |
| Nitrogen | N | 234 |
| Oxygen | O | 247 |
| Sulphur | S | 16 |
| Formula | C872H1332N234O247S16 |
| Total Number of Atoms: | 2701 |
| Total number of positively charged residues (ARG + LYS): | 4 |
| Total number of negatively charged residues (ASP + GLU): | 3 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 18170 Absorption 0.1% (=1 g/l) 0.929, assuming all pairs of CYS residues form cystines Ext. coefficient 17420 Absorption 0.1% (=1 g/l) 0.891, assuming all CYS residues are reduced |
| Aromaticity: | 0.087 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 78.16 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.68, 28.42, 25.14] 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: | 71.5301 |
| Grand average of hydropathicity (GRAVY): | -0.04 |