Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4168 |
| Number of amino acids: | 336 |
| Molecular Weight: | 37312.69 Da |
| Theoretical pI: | 5.19 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 19 | 5.65% |
| Cysteine CYS (C) | 10 | 2.98% |
| Glutamic Acid GLU (E) | 21 | 6.25% |
| Aspartic Acid ASP (D) | 21 | 6.25% |
| Glycine GLY (G) | 22 | 6.55% |
| Phynylalanine PHE (F) | 18 | 5.36% |
| Isoleucine ILE (I) | 26 | 7.74% |
| Histidine HIS (H) | 5 | 1.49% |
| Lysine LYS (K) | 17 | 5.06% |
| Methionine MET (M) | 8 | 2.38% |
| Leucine LEU (L) | 29 | 8.63% |
| Asparagine ASN (N) | 16 | 4.76% |
| Glutamine GLN (Q) | 8 | 2.38% |
| Proline PRO (P) | 15 | 4.46% |
| Serine SER (S) | 27 | 8.04% |
| Arginine ARG (R) | 16 | 4.76% |
| Threonine THR (T) | 22 | 6.55% |
| Tryptophan TRP (W) | 1 | 0.3% |
| Valine VAL (V) | 24 | 7.14% |
| Tyrosine TYR (Y) | 11 | 3.27% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1658 |
| Hydrogen | H | 2614 |
| Nitrogen | N | 436 |
| Oxygen | O | 505 |
| Sulphur | S | 18 |
| Formula | C1658H2614N436O505S18 |
| Total Number of Atoms: | 5231 |
| Total number of positively charged residues (ARG + LYS): | 33 |
| Total number of negatively charged residues (ASP + GLU): | 42 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 22515 Absorption 0.1% (=1 g/l) 0.603, assuming all pairs of CYS residues form cystines Ext. coefficient 21890 Absorption 0.1% (=1 g/l) 0.587, assuming all CYS residues are reduced |
| Aromaticity: | 0.089 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 39.67 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [32.44, 23.81, 22.92] 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: | 90.2083 |
| Grand average of hydropathicity (GRAVY): | -0.05 |