Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4593 |
| Number of amino acids: | 343 |
| Molecular Weight: | 39887.98 Da |
| Theoretical pI: | 6.45 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 19 | 5.54% |
| Cysteine CYS (C) | 6 | 1.75% |
| Glutamic Acid GLU (E) | 21 | 6.12% |
| Aspartic Acid ASP (D) | 26 | 7.58% |
| Glycine GLY (G) | 18 | 5.25% |
| Phynylalanine PHE (F) | 22 | 6.41% |
| Isoleucine ILE (I) | 18 | 5.25% |
| Histidine HIS (H) | 7 | 2.04% |
| Lysine LYS (K) | 16 | 4.66% |
| Methionine MET (M) | 8 | 2.33% |
| Leucine LEU (L) | 27 | 7.87% |
| Asparagine ASN (N) | 13 | 3.79% |
| Glutamine GLN (Q) | 8 | 2.33% |
| Proline PRO (P) | 18 | 5.25% |
| Serine SER (S) | 33 | 9.62% |
| Arginine ARG (R) | 29 | 8.45% |
| Threonine THR (T) | 14 | 4.08% |
| Tryptophan TRP (W) | 6 | 1.75% |
| Valine VAL (V) | 15 | 4.37% |
| Tyrosine TYR (Y) | 19 | 5.54% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1789 |
| Hydrogen | H | 2709 |
| Nitrogen | N | 487 |
| Oxygen | O | 525 |
| Sulphur | S | 14 |
| Formula | C1789H2709N487O525S14 |
| Total Number of Atoms: | 5524 |
| Total number of positively charged residues (ARG + LYS): | 45 |
| Total number of negatively charged residues (ASP + GLU): | 47 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 61685 Absorption 0.1% (=1 g/l) 1.546, assuming all pairs of CYS residues form cystines Ext. coefficient 61310 Absorption 0.1% (=1 g/l) 1.537, assuming all CYS residues are reduced |
| Aromaticity: | 0.137 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 53.17 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [31.20, 23.91, 21.87] 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: | 69.3877 |
| Grand average of hydropathicity (GRAVY): | -0.53 |