Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4865 |
| Number of amino acids: | 258 |
| Molecular Weight: | 28558.47 Da |
| Theoretical pI: | 5.99 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 24 | 9.3% |
| Cysteine CYS (C) | 12 | 4.65% |
| Glutamic Acid GLU (E) | 13 | 5.04% |
| Aspartic Acid ASP (D) | 17 | 6.59% |
| Glycine GLY (G) | 19 | 7.36% |
| Phynylalanine PHE (F) | 12 | 4.65% |
| Isoleucine ILE (I) | 13 | 5.04% |
| Histidine HIS (H) | 5 | 1.94% |
| Lysine LYS (K) | 9 | 3.49% |
| Methionine MET (M) | 4 | 1.55% |
| Leucine LEU (L) | 28 | 10.85% |
| Asparagine ASN (N) | 9 | 3.49% |
| Glutamine GLN (Q) | 7 | 2.71% |
| Proline PRO (P) | 8 | 3.1% |
| Serine SER (S) | 23 | 8.91% |
| Arginine ARG (R) | 18 | 6.98% |
| Threonine THR (T) | 12 | 4.65% |
| Tryptophan TRP (W) | 3 | 1.16% |
| Valine VAL (V) | 12 | 4.65% |
| Tyrosine TYR (Y) | 10 | 3.88% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1256 |
| Hydrogen | H | 1962 |
| Nitrogen | N | 350 |
| Oxygen | O | 380 |
| Sulphur | S | 16 |
| Formula | C1256H1962N350O380S16 |
| Total Number of Atoms: | 3964 |
| Total number of positively charged residues (ARG + LYS): | 27 |
| Total number of negatively charged residues (ASP + GLU): | 30 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 32150 Absorption 0.1% (=1 g/l) 1.126, assuming all pairs of CYS residues form cystines Ext. coefficient 31400 Absorption 0.1% (=1 g/l) 1.099, assuming all CYS residues are reduced |
| Aromaticity: | 0.097 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 40.21 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.23, 22.87, 26.74] 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: | 84.7674 |
| Grand average of hydropathicity (GRAVY): | -0.10 |