Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4539 |
| Number of amino acids: | 253 |
| Molecular Weight: | 27568.93 Da |
| Theoretical pI: | 6.34 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 22 | 8.7% |
| Cysteine CYS (C) | 7 | 2.77% |
| Glutamic Acid GLU (E) | 8 | 3.16% |
| Aspartic Acid ASP (D) | 12 | 4.74% |
| Glycine GLY (G) | 28 | 11.07% |
| Phynylalanine PHE (F) | 18 | 7.11% |
| Isoleucine ILE (I) | 16 | 6.32% |
| Histidine HIS (H) | 3 | 1.19% |
| Lysine LYS (K) | 7 | 2.77% |
| Methionine MET (M) | 5 | 1.98% |
| Leucine LEU (L) | 13 | 5.14% |
| Asparagine ASN (N) | 20 | 7.91% |
| Glutamine GLN (Q) | 13 | 5.14% |
| Proline PRO (P) | 12 | 4.74% |
| Serine SER (S) | 13 | 5.14% |
| Arginine ARG (R) | 12 | 4.74% |
| Threonine THR (T) | 20 | 7.91% |
| Tryptophan TRP (W) | 3 | 1.19% |
| Valine VAL (V) | 12 | 4.74% |
| Tyrosine TYR (Y) | 9 | 3.56% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1222 |
| Hydrogen | H | 1854 |
| Nitrogen | N | 338 |
| Oxygen | O | 369 |
| Sulphur | S | 12 |
| Formula | C1222H1854N338O369S12 |
| Total Number of Atoms: | 3795 |
| Total number of positively charged residues (ARG + LYS): | 19 |
| Total number of negatively charged residues (ASP + GLU): | 20 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 30285 Absorption 0.1% (=1 g/l) 1.099, assuming all pairs of CYS residues form cystines Ext. coefficient 29910 Absorption 0.1% (=1 g/l) 1.085, 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 : 37.12 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [28.06, 28.85, 18.97] 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: | 67.1541 |
| Grand average of hydropathicity (GRAVY): | -0.23 |