Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1438 |
| Number of amino acids: | 151 |
| Molecular Weight: | 16543.7 Da |
| Theoretical pI: | 8.84 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 7 | 4.64% |
| Cysteine CYS (C) | 11 | 7.28% |
| Glutamic Acid GLU (E) | 4 | 2.65% |
| Aspartic Acid ASP (D) | 5 | 3.31% |
| Glycine GLY (G) | 24 | 15.89% |
| Phynylalanine PHE (F) | 7 | 4.64% |
| Isoleucine ILE (I) | 6 | 3.97% |
| Histidine HIS (H) | 1 | 0.66% |
| Lysine LYS (K) | 5 | 3.31% |
| Methionine MET (M) | 2 | 1.32% |
| Leucine LEU (L) | 6 | 3.97% |
| Asparagine ASN (N) | 12 | 7.95% |
| Glutamine GLN (Q) | 7 | 4.64% |
| Proline PRO (P) | 15 | 9.93% |
| Serine SER (S) | 5 | 3.31% |
| Arginine ARG (R) | 10 | 6.62% |
| Threonine THR (T) | 8 | 5.3% |
| Tryptophan TRP (W) | 8 | 5.3% |
| Valine VAL (V) | 5 | 3.31% |
| Tyrosine TYR (Y) | 3 | 1.99% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 728 |
| Hydrogen | H | 1083 |
| Nitrogen | N | 215 |
| Oxygen | O | 205 |
| Sulphur | S | 13 |
| Formula | C728H1083N215O205S13 |
| Total Number of Atoms: | 2244 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| 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 49095 Absorption 0.1% (=1 g/l) 2.968, assuming all pairs of CYS residues form cystines Ext. coefficient 48470 Absorption 0.1% (=1 g/l) 2.930, assuming all CYS residues are reduced |
| Aromaticity: | 0.119 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 49.85 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.18, 37.09, 12.58] 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: | 45.2318 |
| Grand average of hydropathicity (GRAVY): | -0.57 |