Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1021 |
| Number of amino acids: | 227 |
| Molecular Weight: | 24121.77 Da |
| Theoretical pI: | 5.25 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 17 | 7.49% |
| Cysteine CYS (C) | 17 | 7.49% |
| Glutamic Acid GLU (E) | 3 | 1.32% |
| Aspartic Acid ASP (D) | 10 | 4.41% |
| Glycine GLY (G) | 29 | 12.78% |
| Phynylalanine PHE (F) | 18 | 7.93% |
| Isoleucine ILE (I) | 9 | 3.96% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 1 | 0.44% |
| Methionine MET (M) | 1 | 0.44% |
| Leucine LEU (L) | 10 | 4.41% |
| Asparagine ASN (N) | 19 | 8.37% |
| Glutamine GLN (Q) | 11 | 4.85% |
| Proline PRO (P) | 14 | 6.17% |
| Serine SER (S) | 16 | 7.05% |
| Arginine ARG (R) | 11 | 4.85% |
| Threonine THR (T) | 23 | 10.13% |
| Tryptophan TRP (W) | 4 | 1.76% |
| Valine VAL (V) | 8 | 3.52% |
| Tyrosine TYR (Y) | 6 | 2.64% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1047 |
| Hydrogen | H | 1561 |
| Nitrogen | N | 295 |
| Oxygen | O | 329 |
| Sulphur | S | 18 |
| Formula | C1047H1561N295O329S18 |
| Total Number of Atoms: | 3250 |
| Total number of positively charged residues (ARG + LYS): | 12 |
| 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 31940 Absorption 0.1% (=1 g/l) 1.324, assuming all pairs of CYS residues form cystines Ext. coefficient 30940 Absorption 0.1% (=1 g/l) 1.283, assuming all CYS residues are reduced |
| Aromaticity: | 0.123 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 24.05 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.23, 34.36, 13.66] 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: | 50.3525 |
| Grand average of hydropathicity (GRAVY): | -0.18 |