Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1361 |
| Number of amino acids: | 250 |
| Molecular Weight: | 27332.83 Da |
| Theoretical pI: | 6.18 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 13 | 5.2% |
| Cysteine CYS (C) | 17 | 6.8% |
| Glutamic Acid GLU (E) | 7 | 2.8% |
| Aspartic Acid ASP (D) | 11 | 4.4% |
| Glycine GLY (G) | 31 | 12.4% |
| Phynylalanine PHE (F) | 16 | 6.4% |
| Isoleucine ILE (I) | 8 | 3.2% |
| Histidine HIS (H) | 5 | 2% |
| Lysine LYS (K) | 7 | 2.8% |
| Methionine MET (M) | 5 | 2% |
| Leucine LEU (L) | 13 | 5.2% |
| Asparagine ASN (N) | 15 | 6% |
| Glutamine GLN (Q) | 9 | 3.6% |
| Proline PRO (P) | 21 | 8.4% |
| Serine SER (S) | 12 | 4.8% |
| Arginine ARG (R) | 9 | 3.6% |
| Threonine THR (T) | 23 | 9.2% |
| Tryptophan TRP (W) | 8 | 3.2% |
| Valine VAL (V) | 11 | 4.4% |
| Tyrosine TYR (Y) | 9 | 3.6% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1214 |
| Hydrogen | H | 1786 |
| Nitrogen | N | 326 |
| Oxygen | O | 355 |
| Sulphur | S | 22 |
| Formula | C1214H1786N326O355S22 |
| Total Number of Atoms: | 3703 |
| Total number of positively charged residues (ARG + LYS): | 16 |
| Total number of negatively charged residues (ASP + GLU): | 18 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 58410 Absorption 0.1% (=1 g/l) 2.137, assuming all pairs of CYS residues form cystines Ext. coefficient 57410 Absorption 0.1% (=1 g/l) 2.100, assuming all CYS residues are reduced |
| Aromaticity: | 0.132 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 38.53 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.00, 31.60, 15.20] 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: | 50.72 |
| Grand average of hydropathicity (GRAVY): | -0.28 |