Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4172 |
| Number of amino acids: | 466 |
| Molecular Weight: | 49798.7 Da |
| Theoretical pI: | 5.21 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 53 | 11.37% |
| Cysteine CYS (C) | 21 | 4.51% |
| Glutamic Acid GLU (E) | 31 | 6.65% |
| Aspartic Acid ASP (D) | 27 | 5.79% |
| Glycine GLY (G) | 47 | 10.09% |
| Phynylalanine PHE (F) | 17 | 3.65% |
| Isoleucine ILE (I) | 14 | 3% |
| Histidine HIS (H) | 9 | 1.93% |
| Lysine LYS (K) | 20 | 4.29% |
| Methionine MET (M) | 8 | 1.72% |
| Leucine LEU (L) | 27 | 5.79% |
| Asparagine ASN (N) | 26 | 5.58% |
| Glutamine GLN (Q) | 9 | 1.93% |
| Proline PRO (P) | 29 | 6.22% |
| Serine SER (S) | 31 | 6.65% |
| Arginine ARG (R) | 24 | 5.15% |
| Threonine THR (T) | 23 | 4.94% |
| Tryptophan TRP (W) | 8 | 1.72% |
| Valine VAL (V) | 31 | 6.65% |
| Tyrosine TYR (Y) | 11 | 2.36% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2157 |
| Hydrogen | H | 3337 |
| Nitrogen | N | 619 |
| Oxygen | O | 683 |
| Sulphur | S | 29 |
| Formula | C2157H3337N619O683S29 |
| Total Number of Atoms: | 6825 |
| Total number of positively charged residues (ARG + LYS): | 44 |
| Total number of negatively charged residues (ASP + GLU): | 58 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 61640 Absorption 0.1% (=1 g/l) 1.238, assuming all pairs of CYS residues form cystines Ext. coefficient 60390 Absorption 0.1% (=1 g/l) 1.213, assuming all CYS residues are reduced |
| Aromaticity: | 0.077 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 32.57 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.18, 28.54, 25.54] 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: | 64.9785 |
| Grand average of hydropathicity (GRAVY): | -0.35 |