Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1513 |
| Number of amino acids: | 178 |
| Molecular Weight: | 19062.49 Da |
| Theoretical pI: | 8.58 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 15 | 8.43% |
| Cysteine CYS (C) | 13 | 7.3% |
| Glutamic Acid GLU (E) | 5 | 2.81% |
| Aspartic Acid ASP (D) | 5 | 2.81% |
| Glycine GLY (G) | 23 | 12.92% |
| Phynylalanine PHE (F) | 7 | 3.93% |
| Isoleucine ILE (I) | 8 | 4.49% |
| Histidine HIS (H) | 2 | 1.12% |
| Lysine LYS (K) | 7 | 3.93% |
| Methionine MET (M) | 2 | 1.12% |
| Leucine LEU (L) | 7 | 3.93% |
| Asparagine ASN (N) | 13 | 7.3% |
| Glutamine GLN (Q) | 10 | 5.62% |
| Proline PRO (P) | 14 | 7.87% |
| Serine SER (S) | 7 | 3.93% |
| Arginine ARG (R) | 8 | 4.49% |
| Threonine THR (T) | 16 | 8.99% |
| Tryptophan TRP (W) | 5 | 2.81% |
| Valine VAL (V) | 6 | 3.37% |
| Tyrosine TYR (Y) | 5 | 2.81% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 827 |
| Hydrogen | H | 1263 |
| Nitrogen | N | 241 |
| Oxygen | O | 250 |
| Sulphur | S | 15 |
| Formula | C827H1263N241O250S15 |
| Total Number of Atoms: | 2596 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| Total number of negatively charged residues (ASP + GLU): | 10 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 35700 Absorption 0.1% (=1 g/l) 1.873, assuming all pairs of CYS residues form cystines Ext. coefficient 34950 Absorption 0.1% (=1 g/l) 1.833, assuming all CYS residues are reduced |
| Aromaticity: | 0.096 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 42.04 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [21.35, 32.02, 16.29] 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: | 51.0674 |
| Grand average of hydropathicity (GRAVY): | -0.41 |