Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1403 |
| Number of amino acids: | 222 |
| Molecular Weight: | 23812.74 Da |
| Theoretical pI: | 8.26 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 18 | 8.11% |
| Cysteine CYS (C) | 18 | 8.11% |
| Glutamic Acid GLU (E) | 1 | 0.45% |
| Aspartic Acid ASP (D) | 15 | 6.76% |
| Glycine GLY (G) | 24 | 10.81% |
| Phynylalanine PHE (F) | 14 | 6.31% |
| Isoleucine ILE (I) | 4 | 1.8% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 8 | 3.6% |
| Methionine MET (M) | 2 | 0.9% |
| Leucine LEU (L) | 11 | 4.95% |
| Asparagine ASN (N) | 13 | 5.86% |
| Glutamine GLN (Q) | 8 | 3.6% |
| Proline PRO (P) | 14 | 6.31% |
| Serine SER (S) | 15 | 6.76% |
| Arginine ARG (R) | 12 | 5.41% |
| Threonine THR (T) | 21 | 9.46% |
| Tryptophan TRP (W) | 3 | 1.35% |
| Valine VAL (V) | 12 | 5.41% |
| Tyrosine TYR (Y) | 9 | 4.05% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1032 |
| Hydrogen | H | 1566 |
| Nitrogen | N | 290 |
| Oxygen | O | 321 |
| Sulphur | S | 20 |
| Formula | C1032H1566N290O321S20 |
| Total Number of Atoms: | 3229 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| Total number of negatively charged residues (ASP + GLU): | 16 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 31035 Absorption 0.1% (=1 g/l) 1.303, assuming all pairs of CYS residues form cystines Ext. coefficient 29910 Absorption 0.1% (=1 g/l) 1.256, assuming all CYS residues are reduced |
| Aromaticity: | 0.117 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 26.32 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.87, 29.73, 14.41] 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: | 50.1351 |
| Grand average of hydropathicity (GRAVY): | -0.26 |