Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1391 |
| Number of amino acids: | 220 |
| Molecular Weight: | 24013.97 Da |
| Theoretical pI: | 7.89 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 11 | 5% |
| Cysteine CYS (C) | 14 | 6.36% |
| Glutamic Acid GLU (E) | 4 | 1.82% |
| Aspartic Acid ASP (D) | 10 | 4.55% |
| Glycine GLY (G) | 23 | 10.45% |
| Phynylalanine PHE (F) | 13 | 5.91% |
| Isoleucine ILE (I) | 10 | 4.55% |
| Histidine HIS (H) | 1 | 0.45% |
| Lysine LYS (K) | 6 | 2.73% |
| Methionine MET (M) | 4 | 1.82% |
| Leucine LEU (L) | 12 | 5.45% |
| Asparagine ASN (N) | 18 | 8.18% |
| Glutamine GLN (Q) | 10 | 4.55% |
| Proline PRO (P) | 15 | 6.82% |
| Serine SER (S) | 19 | 8.64% |
| Arginine ARG (R) | 10 | 4.55% |
| Threonine THR (T) | 18 | 8.18% |
| Tryptophan TRP (W) | 5 | 2.27% |
| Valine VAL (V) | 9 | 4.09% |
| Tyrosine TYR (Y) | 8 | 3.64% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1050 |
| Hydrogen | H | 1585 |
| Nitrogen | N | 291 |
| Oxygen | O | 322 |
| Sulphur | S | 18 |
| Formula | C1050H1585N291O322S18 |
| Total Number of Atoms: | 3266 |
| Total number of positively charged residues (ARG + LYS): | 16 |
| Total number of negatively charged residues (ASP + GLU): | 14 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 40295 Absorption 0.1% (=1 g/l) 1.678, assuming all pairs of CYS residues form cystines Ext. coefficient 39420 Absorption 0.1% (=1 g/l) 1.642, assuming all CYS residues are reduced |
| Aromaticity: | 0.118 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 42.33 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.91, 34.09, 14.09] 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: | 55.8636 |
| Grand average of hydropathicity (GRAVY): | -0.31 |