Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4554 |
| Number of amino acids: | 271 |
| Molecular Weight: | 28856.19 Da |
| Theoretical pI: | 9.42 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 26 | 9.59% |
| Cysteine CYS (C) | 6 | 2.21% |
| Glutamic Acid GLU (E) | 12 | 4.43% |
| Aspartic Acid ASP (D) | 11 | 4.06% |
| Glycine GLY (G) | 37 | 13.65% |
| Phynylalanine PHE (F) | 10 | 3.69% |
| Isoleucine ILE (I) | 9 | 3.32% |
| Histidine HIS (H) | 1 | 0.37% |
| Lysine LYS (K) | 16 | 5.9% |
| Methionine MET (M) | 7 | 2.58% |
| Leucine LEU (L) | 20 | 7.38% |
| Asparagine ASN (N) | 7 | 2.58% |
| Glutamine GLN (Q) | 9 | 3.32% |
| Proline PRO (P) | 22 | 8.12% |
| Serine SER (S) | 18 | 6.64% |
| Arginine ARG (R) | 17 | 6.27% |
| Threonine THR (T) | 9 | 3.32% |
| Tryptophan TRP (W) | 7 | 2.58% |
| Valine VAL (V) | 21 | 7.75% |
| Tyrosine TYR (Y) | 6 | 2.21% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1286 |
| Hydrogen | H | 2021 |
| Nitrogen | N | 363 |
| Oxygen | O | 367 |
| Sulphur | S | 13 |
| Formula | C1286H2021N363O367S13 |
| Total Number of Atoms: | 4050 |
| Total number of positively charged residues (ARG + LYS): | 33 |
| Total number of negatively charged residues (ASP + GLU): | 23 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 47815 Absorption 0.1% (=1 g/l) 1.657, assuming all pairs of CYS residues form cystines Ext. coefficient 47440 Absorption 0.1% (=1 g/l) 1.644, assuming all CYS residues are reduced |
| Aromaticity: | 0.085 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 44.84 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.94, 31.00, 23.99] 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: | 73.8007 |
| Grand average of hydropathicity (GRAVY): | -0.20 |