Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_620 |
| Number of amino acids: | 204 |
| Molecular Weight: | 22037.63 Da |
| Theoretical pI: | 8.49 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 15 | 7.35% |
| Cysteine CYS (C) | 16 | 7.84% |
| Glutamic Acid GLU (E) | 2 | 0.98% |
| Aspartic Acid ASP (D) | 13 | 6.37% |
| Glycine GLY (G) | 25 | 12.25% |
| Phynylalanine PHE (F) | 12 | 5.88% |
| Isoleucine ILE (I) | 6 | 2.94% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 5 | 2.45% |
| Methionine MET (M) | 1 | 0.49% |
| Leucine LEU (L) | 8 | 3.92% |
| Asparagine ASN (N) | 18 | 8.82% |
| Glutamine GLN (Q) | 8 | 3.92% |
| Proline PRO (P) | 15 | 7.35% |
| Serine SER (S) | 7 | 3.43% |
| Arginine ARG (R) | 15 | 7.35% |
| Threonine THR (T) | 18 | 8.82% |
| Tryptophan TRP (W) | 3 | 1.47% |
| Valine VAL (V) | 10 | 4.9% |
| Tyrosine TYR (Y) | 7 | 3.43% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 948 |
| Hydrogen | H | 1443 |
| Nitrogen | N | 283 |
| Oxygen | O | 293 |
| Sulphur | S | 17 |
| Formula | C948H1443N283O293S17 |
| Total Number of Atoms: | 2984 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| Total number of negatively charged residues (ASP + GLU): | 15 |
| 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) 1.267, assuming all pairs of CYS residues form cystines Ext. coefficient 26930 Absorption 0.1% (=1 g/l) 1.222, assuming all CYS residues are reduced |
| Aromaticity: | 0.108 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 25.75 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [22.55, 31.86, 12.75] 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: | 48.3333 |
| Grand average of hydropathicity (GRAVY): | -0.45 |