Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4159 |
| Number of amino acids: | 640 |
| Molecular Weight: | 68408.29 Da |
| Theoretical pI: | 6.53 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 92 | 14.38% |
| Cysteine CYS (C) | 5 | 0.78% |
| Glutamic Acid GLU (E) | 25 | 3.91% |
| Aspartic Acid ASP (D) | 34 | 5.31% |
| Glycine GLY (G) | 82 | 12.81% |
| Phynylalanine PHE (F) | 19 | 2.97% |
| Isoleucine ILE (I) | 17 | 2.66% |
| Histidine HIS (H) | 22 | 3.44% |
| Lysine LYS (K) | 19 | 2.97% |
| Methionine MET (M) | 13 | 2.03% |
| Leucine LEU (L) | 49 | 7.66% |
| Asparagine ASN (N) | 25 | 3.91% |
| Glutamine GLN (Q) | 23 | 3.59% |
| Proline PRO (P) | 25 | 3.91% |
| Serine SER (S) | 44 | 6.88% |
| Arginine ARG (R) | 35 | 5.47% |
| Threonine THR (T) | 20 | 3.13% |
| Tryptophan TRP (W) | 14 | 2.19% |
| Valine VAL (V) | 41 | 6.41% |
| Tyrosine TYR (Y) | 36 | 5.63% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 3039 |
| Hydrogen | H | 4596 |
| Nitrogen | N | 870 |
| Oxygen | O | 907 |
| Sulphur | S | 18 |
| Formula | C3039H4596N870O907S18 |
| Total Number of Atoms: | 9430 |
| Total number of positively charged residues (ARG + LYS): | 54 |
| Total number of negatively charged residues (ASP + GLU): | 59 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 130890 Absorption 0.1% (=1 g/l) 1.913, assuming all pairs of CYS residues form cystines Ext. coefficient 130640 Absorption 0.1% (=1 g/l) 1.910, assuming all CYS residues are reduced |
| Aromaticity: | 0.108 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 33.59 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.50, 27.50, 27.97] 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: | 73.1719 |
| Grand average of hydropathicity (GRAVY): | -0.26 |