Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4082 |
| Number of amino acids: | 257 |
| Molecular Weight: | 27869.72 Da |
| Theoretical pI: | 9.36 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 27 | 10.51% |
| Cysteine CYS (C) | 9 | 3.5% |
| Glutamic Acid GLU (E) | 2 | 0.78% |
| Aspartic Acid ASP (D) | 6 | 2.33% |
| Glycine GLY (G) | 29 | 11.28% |
| Phynylalanine PHE (F) | 10 | 3.89% |
| Isoleucine ILE (I) | 11 | 4.28% |
| Histidine HIS (H) | 2 | 0.78% |
| Lysine LYS (K) | 12 | 4.67% |
| Methionine MET (M) | 11 | 4.28% |
| Leucine LEU (L) | 12 | 4.67% |
| Asparagine ASN (N) | 17 | 6.61% |
| Glutamine GLN (Q) | 8 | 3.11% |
| Proline PRO (P) | 11 | 4.28% |
| Serine SER (S) | 22 | 8.56% |
| Arginine ARG (R) | 9 | 3.5% |
| Threonine THR (T) | 21 | 8.17% |
| Tryptophan TRP (W) | 7 | 2.72% |
| Valine VAL (V) | 12 | 4.67% |
| Tyrosine TYR (Y) | 19 | 7.39% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1242 |
| Hydrogen | H | 1870 |
| Nitrogen | N | 332 |
| Oxygen | O | 361 |
| Sulphur | S | 20 |
| Formula | C1242H1870N332O361S20 |
| Total Number of Atoms: | 3825 |
| Total number of positively charged residues (ARG + LYS): | 21 |
| 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 67310 Absorption 0.1% (=1 g/l) 2.415, assuming all pairs of CYS residues form cystines Ext. coefficient 66810 Absorption 0.1% (=1 g/l) 2.397, assuming all CYS residues are reduced |
| Aromaticity: | 0.140 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 33.30 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.63, 30.74, 20.23] 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: | 58.9494 |
| Grand average of hydropathicity (GRAVY): | -0.14 |