Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5341 |
| Number of amino acids: | 660 |
| Molecular Weight: | 70867.24 Da |
| Theoretical pI: | 7.78 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 30 | 4.55% |
| Cysteine CYS (C) | 7 | 1.06% |
| Glutamic Acid GLU (E) | 17 | 2.58% |
| Aspartic Acid ASP (D) | 4 | 0.61% |
| Glycine GLY (G) | 116 | 17.58% |
| Phynylalanine PHE (F) | 3 | 0.45% |
| Isoleucine ILE (I) | 8 | 1.21% |
| Histidine HIS (H) | 13 | 1.97% |
| Lysine LYS (K) | 9 | 1.36% |
| Methionine MET (M) | 5 | 0.76% |
| Leucine LEU (L) | 29 | 4.39% |
| Asparagine ASN (N) | 0 | 0% |
| Glutamine GLN (Q) | 211 | 31.97% |
| Proline PRO (P) | 69 | 10.45% |
| Serine SER (S) | 42 | 6.36% |
| Arginine ARG (R) | 13 | 1.97% |
| Threonine THR (T) | 25 | 3.79% |
| Tryptophan TRP (W) | 6 | 0.91% |
| Valine VAL (V) | 19 | 2.88% |
| Tyrosine TYR (Y) | 34 | 5.15% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 3021 |
| Hydrogen | H | 4601 |
| Nitrogen | N | 951 |
| Oxygen | O | 1015 |
| Sulphur | S | 12 |
| Formula | C3021H4601N951O1015S12 |
| Total Number of Atoms: | 9600 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 21 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 84035 Absorption 0.1% (=1 g/l) 1.186, assuming all pairs of CYS residues form cystines Ext. coefficient 83660 Absorption 0.1% (=1 g/l) 1.181, assuming all CYS residues are reduced |
| Aromaticity: | 0.065 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 82.99 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [15.00, 34.39, 12.27] 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: | 34.7576 |
| Grand average of hydropathicity (GRAVY): | -1.35 |