Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_760 |
| Number of amino acids: | 165 |
| Molecular Weight: | 16449.46 Da |
| Theoretical pI: | 4.64 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 22 | 13.33% |
| Cysteine CYS (C) | 9 | 5.45% |
| Glutamic Acid GLU (E) | 2 | 1.21% |
| Aspartic Acid ASP (D) | 6 | 3.64% |
| Glycine GLY (G) | 23 | 13.94% |
| Phynylalanine PHE (F) | 6 | 3.64% |
| Isoleucine ILE (I) | 4 | 2.42% |
| Histidine HIS (H) | 2 | 1.21% |
| Lysine LYS (K) | 1 | 0.61% |
| Methionine MET (M) | 4 | 2.42% |
| Leucine LEU (L) | 13 | 7.88% |
| Asparagine ASN (N) | 9 | 5.45% |
| Glutamine GLN (Q) | 4 | 2.42% |
| Proline PRO (P) | 10 | 6.06% |
| Serine SER (S) | 15 | 9.09% |
| Arginine ARG (R) | 3 | 1.82% |
| Threonine THR (T) | 17 | 10.3% |
| Tryptophan TRP (W) | 3 | 1.82% |
| Valine VAL (V) | 9 | 5.45% |
| Tyrosine TYR (Y) | 3 | 1.82% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 709 |
| Hydrogen | H | 1097 |
| Nitrogen | N | 195 |
| Oxygen | O | 230 |
| Sulphur | S | 13 |
| Formula | C709H1097N195O230S13 |
| Total Number of Atoms: | 2244 |
| Total number of positively charged residues (ARG + LYS): | 4 |
| Total number of negatively charged residues (ASP + GLU): | 8 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 21470 Absorption 0.1% (=1 g/l) 1.305, assuming all pairs of CYS residues form cystines Ext. coefficient 20970 Absorption 0.1% (=1 g/l) 1.275, assuming all CYS residues are reduced |
| Aromaticity: | 0.073 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 43.03 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.03, 34.55, 24.85] 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: | 69.3333 |
| Grand average of hydropathicity (GRAVY): | 0.23 |