Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5527 |
| Number of amino acids: | 155 |
| Molecular Weight: | 18088.67 Da |
| Theoretical pI: | 6.9 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 9.03% |
| Cysteine CYS (C) | 8 | 5.16% |
| Glutamic Acid GLU (E) | 9 | 5.81% |
| Aspartic Acid ASP (D) | 10 | 6.45% |
| Glycine GLY (G) | 4 | 2.58% |
| Phynylalanine PHE (F) | 8 | 5.16% |
| Isoleucine ILE (I) | 9 | 5.81% |
| Histidine HIS (H) | 2 | 1.29% |
| Lysine LYS (K) | 1 | 0.65% |
| Methionine MET (M) | 1 | 0.65% |
| Leucine LEU (L) | 17 | 10.97% |
| Asparagine ASN (N) | 9 | 5.81% |
| Glutamine GLN (Q) | 21 | 13.55% |
| Proline PRO (P) | 10 | 6.45% |
| Serine SER (S) | 1 | 0.65% |
| Arginine ARG (R) | 18 | 11.61% |
| Threonine THR (T) | 3 | 1.94% |
| Tryptophan TRP (W) | 2 | 1.29% |
| Valine VAL (V) | 8 | 5.16% |
| Tyrosine TYR (Y) | 0 | 0% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 786 |
| Hydrogen | H | 1256 |
| Nitrogen | N | 246 |
| Oxygen | O | 228 |
| Sulphur | S | 9 |
| Formula | C786H1256N246O228S9 |
| Total Number of Atoms: | 2525 |
| Total number of positively charged residues (ARG + LYS): | 19 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 11500 Absorption 0.1% (=1 g/l) 0.636, assuming all pairs of CYS residues form cystines Ext. coefficient 11000 Absorption 0.1% (=1 g/l) 0.608, 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 : 72.01 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [28.39, 15.48, 26.45] 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: | 89.4192 |
| Grand average of hydropathicity (GRAVY): | -0.50 |