Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4903 |
| Number of amino acids: | 270 |
| Molecular Weight: | 28833.92 Da |
| Theoretical pI: | 4.63 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 27 | 10% |
| Cysteine CYS (C) | 15 | 5.56% |
| Glutamic Acid GLU (E) | 12 | 4.44% |
| Aspartic Acid ASP (D) | 16 | 5.93% |
| Glycine GLY (G) | 30 | 11.11% |
| Phynylalanine PHE (F) | 11 | 4.07% |
| Isoleucine ILE (I) | 11 | 4.07% |
| Histidine HIS (H) | 5 | 1.85% |
| Lysine LYS (K) | 7 | 2.59% |
| Methionine MET (M) | 3 | 1.11% |
| Leucine LEU (L) | 15 | 5.56% |
| Asparagine ASN (N) | 19 | 7.04% |
| Glutamine GLN (Q) | 11 | 4.07% |
| Proline PRO (P) | 11 | 4.07% |
| Serine SER (S) | 18 | 6.67% |
| Arginine ARG (R) | 8 | 2.96% |
| Threonine THR (T) | 17 | 6.3% |
| Tryptophan TRP (W) | 3 | 1.11% |
| Valine VAL (V) | 17 | 6.3% |
| Tyrosine TYR (Y) | 14 | 5.19% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1252 |
| Hydrogen | H | 1890 |
| Nitrogen | N | 344 |
| Oxygen | O | 406 |
| Sulphur | S | 18 |
| Formula | C1252H1890N344O406S18 |
| Total Number of Atoms: | 3910 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| Total number of negatively charged residues (ASP + GLU): | 28 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 38235 Absorption 0.1% (=1 g/l) 1.326, assuming all pairs of CYS residues form cystines Ext. coefficient 37360 Absorption 0.1% (=1 g/l) 1.296, assuming all CYS residues are reduced |
| Aromaticity: | 0.104 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 25.53 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.30, 28.89, 21.11] 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: | 65.8148 |
| Grand average of hydropathicity (GRAVY): | -0.22 |