Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4318 |
| Number of amino acids: | 321 |
| Molecular Weight: | 34847.78 Da |
| Theoretical pI: | 5.23 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 27 | 8.41% |
| Cysteine CYS (C) | 17 | 5.3% |
| Glutamic Acid GLU (E) | 8 | 2.49% |
| Aspartic Acid ASP (D) | 21 | 6.54% |
| Glycine GLY (G) | 43 | 13.4% |
| Phynylalanine PHE (F) | 16 | 4.98% |
| Isoleucine ILE (I) | 11 | 3.43% |
| Histidine HIS (H) | 3 | 0.93% |
| Lysine LYS (K) | 9 | 2.8% |
| Methionine MET (M) | 5 | 1.56% |
| Leucine LEU (L) | 22 | 6.85% |
| Asparagine ASN (N) | 18 | 5.61% |
| Glutamine GLN (Q) | 15 | 4.67% |
| Proline PRO (P) | 18 | 5.61% |
| Serine SER (S) | 22 | 6.85% |
| Arginine ARG (R) | 15 | 4.67% |
| Threonine THR (T) | 17 | 5.3% |
| Tryptophan TRP (W) | 9 | 2.8% |
| Valine VAL (V) | 8 | 2.49% |
| Tyrosine TYR (Y) | 17 | 5.3% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1534 |
| Hydrogen | H | 2271 |
| Nitrogen | N | 423 |
| Oxygen | O | 469 |
| Sulphur | S | 22 |
| Formula | C1534H2271N423O469S22 |
| Total Number of Atoms: | 4719 |
| Total number of positively charged residues (ARG + LYS): | 24 |
| Total number of negatively charged residues (ASP + GLU): | 29 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 75830 Absorption 0.1% (=1 g/l) 2.176, assuming all pairs of CYS residues form cystines Ext. coefficient 74830 Absorption 0.1% (=1 g/l) 2.147, assuming all CYS residues are reduced |
| Aromaticity: | 0.131 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 34.21 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.86, 31.46, 19.31] 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: | 55.7321 |
| Grand average of hydropathicity (GRAVY): | -0.38 |