Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1387 |
| Number of amino acids: | 225 |
| Molecular Weight: | 24607.55 Da |
| Theoretical pI: | 7.32 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 17 | 7.56% |
| Cysteine CYS (C) | 17 | 7.56% |
| Glutamic Acid GLU (E) | 3 | 1.33% |
| Aspartic Acid ASP (D) | 14 | 6.22% |
| Glycine GLY (G) | 22 | 9.78% |
| Phynylalanine PHE (F) | 19 | 8.44% |
| Isoleucine ILE (I) | 6 | 2.67% |
| Histidine HIS (H) | 1 | 0.44% |
| Lysine LYS (K) | 5 | 2.22% |
| Methionine MET (M) | 2 | 0.89% |
| Leucine LEU (L) | 13 | 5.78% |
| Asparagine ASN (N) | 17 | 7.56% |
| Glutamine GLN (Q) | 11 | 4.89% |
| Proline PRO (P) | 14 | 6.22% |
| Serine SER (S) | 13 | 5.78% |
| Arginine ARG (R) | 13 | 5.78% |
| Threonine THR (T) | 20 | 8.89% |
| Tryptophan TRP (W) | 3 | 1.33% |
| Valine VAL (V) | 8 | 3.56% |
| Tyrosine TYR (Y) | 7 | 3.11% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1074 |
| Hydrogen | H | 1608 |
| Nitrogen | N | 302 |
| Oxygen | O | 328 |
| Sulphur | S | 19 |
| Formula | C1074H1608N302O328S19 |
| Total Number of Atoms: | 3331 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 17 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 27930 Absorption 0.1% (=1 g/l) 1.135, assuming all pairs of CYS residues form cystines Ext. coefficient 26930 Absorption 0.1% (=1 g/l) 1.094, assuming all CYS residues are reduced |
| Aromaticity: | 0.129 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 19.58 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.89, 29.33, 15.56] 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: | 50.8 |
| Grand average of hydropathicity (GRAVY): | -0.29 |