Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4158 |
| Number of amino acids: | 551 |
| Molecular Weight: | 62532.06 Da |
| Theoretical pI: | 4.84 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 41 | 7.44% |
| Cysteine CYS (C) | 4 | 0.73% |
| Glutamic Acid GLU (E) | 67 | 12.16% |
| Aspartic Acid ASP (D) | 46 | 8.35% |
| Glycine GLY (G) | 32 | 5.81% |
| Phynylalanine PHE (F) | 25 | 4.54% |
| Isoleucine ILE (I) | 40 | 7.26% |
| Histidine HIS (H) | 11 | 2% |
| Lysine LYS (K) | 60 | 10.89% |
| Methionine MET (M) | 4 | 0.73% |
| Leucine LEU (L) | 29 | 5.26% |
| Asparagine ASN (N) | 22 | 3.99% |
| Glutamine GLN (Q) | 11 | 2% |
| Proline PRO (P) | 41 | 7.44% |
| Serine SER (S) | 30 | 5.44% |
| Arginine ARG (R) | 17 | 3.09% |
| Threonine THR (T) | 17 | 3.09% |
| Tryptophan TRP (W) | 13 | 2.36% |
| Valine VAL (V) | 28 | 5.08% |
| Tyrosine TYR (Y) | 13 | 2.36% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2811 |
| Hydrogen | H | 4318 |
| Nitrogen | N | 730 |
| Oxygen | O | 871 |
| Sulphur | S | 8 |
| Formula | C2811H4318N730O871S8 |
| Total Number of Atoms: | 8738 |
| Total number of positively charged residues (ARG + LYS): | 77 |
| Total number of negatively charged residues (ASP + GLU): | 113 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 91120 Absorption 0.1% (=1 g/l) 1.457, assuming all pairs of CYS residues form cystines Ext. coefficient 90870 Absorption 0.1% (=1 g/l) 1.453, assuming all CYS residues are reduced |
| Aromaticity: | 0.093 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 40.79 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.86, 22.69, 25.59] 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: | 71.0164 |
| Grand average of hydropathicity (GRAVY): | -0.78 |