Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_849 |
| Number of amino acids: | 155 |
| Molecular Weight: | 16430.19 Da |
| Theoretical pI: | 7.93 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 10 | 6.45% |
| Cysteine CYS (C) | 13 | 8.39% |
| Glutamic Acid GLU (E) | 10 | 6.45% |
| Aspartic Acid ASP (D) | 3 | 1.94% |
| Glycine GLY (G) | 16 | 10.32% |
| Phynylalanine PHE (F) | 7 | 4.52% |
| Isoleucine ILE (I) | 5 | 3.23% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 11 | 7.1% |
| Methionine MET (M) | 5 | 3.23% |
| Leucine LEU (L) | 17 | 10.97% |
| Asparagine ASN (N) | 6 | 3.87% |
| Glutamine GLN (Q) | 3 | 1.94% |
| Proline PRO (P) | 9 | 5.81% |
| Serine SER (S) | 10 | 6.45% |
| Arginine ARG (R) | 4 | 2.58% |
| Threonine THR (T) | 18 | 11.61% |
| Tryptophan TRP (W) | 2 | 1.29% |
| Valine VAL (V) | 6 | 3.87% |
| Tyrosine TYR (Y) | 0 | 0% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 711 |
| Hydrogen | H | 1153 |
| Nitrogen | N | 189 |
| Oxygen | O | 219 |
| Sulphur | S | 18 |
| Formula | C711H1153N189O219S18 |
| Total Number of Atoms: | 2290 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| Total number of negatively charged residues (ASP + GLU): | 13 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient   11750 Absorption 0.1% (=1 g/l) 0.715, assuming all pairs of CYS residues form cystines Ext. coefficient   11000 Absorption 0.1% (=1 g/l) 0.669, assuming all CYS residues are reduced |
| Aromaticity: | 0.058 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 33.57 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.87, 26.45, 27.10] 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: | 73.0321 |
| Grand average of hydropathicity (GRAVY): | 0.07 |

