Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4870 |
| Number of amino acids: | 263 |
| Molecular Weight: | 30111.99 Da |
| Theoretical pI: | 9.02 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 5.32% |
| Cysteine CYS (C) | 12 | 4.56% |
| Glutamic Acid GLU (E) | 13 | 4.94% |
| Aspartic Acid ASP (D) | 9 | 3.42% |
| Glycine GLY (G) | 17 | 6.46% |
| Phynylalanine PHE (F) | 16 | 6.08% |
| Isoleucine ILE (I) | 14 | 5.32% |
| Histidine HIS (H) | 6 | 2.28% |
| Lysine LYS (K) | 18 | 6.84% |
| Methionine MET (M) | 16 | 6.08% |
| Leucine LEU (L) | 21 | 7.98% |
| Asparagine ASN (N) | 19 | 7.22% |
| Glutamine GLN (Q) | 10 | 3.8% |
| Proline PRO (P) | 6 | 2.28% |
| Serine SER (S) | 18 | 6.84% |
| Arginine ARG (R) | 14 | 5.32% |
| Threonine THR (T) | 13 | 4.94% |
| Tryptophan TRP (W) | 1 | 0.38% |
| Valine VAL (V) | 14 | 5.32% |
| Tyrosine TYR (Y) | 12 | 4.56% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1326 |
| Hydrogen | H | 2079 |
| Nitrogen | N | 365 |
| Oxygen | O | 380 |
| Sulphur | S | 28 |
| Formula | C1326H2079N365O380S28 |
| Total Number of Atoms: | 4178 |
| Total number of positively charged residues (ARG + LYS): | 32 |
| Total number of negatively charged residues (ASP + GLU): | 22 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 24130 Absorption 0.1% (=1 g/l) 0.801, assuming all pairs of CYS residues form cystines Ext. coefficient 23380 Absorption 0.1% (=1 g/l) 0.776, assuming all CYS residues are reduced |
| Aromaticity: | 0.110 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 47.51 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.66, 22.81, 24.33] 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: | 72.6616 |
| Grand average of hydropathicity (GRAVY): | -0.21 |