Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_954 |
| Number of amino acids: | 249 |
| Molecular Weight: | 26220.9 Da |
| Theoretical pI: | 7.49 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 28 | 11.25% |
| Cysteine CYS (C) | 17 | 6.83% |
| Glutamic Acid GLU (E) | 8 | 3.21% |
| Aspartic Acid ASP (D) | 9 | 3.61% |
| Glycine GLY (G) | 27 | 10.84% |
| Phynylalanine PHE (F) | 10 | 4.02% |
| Isoleucine ILE (I) | 3 | 1.2% |
| Histidine HIS (H) | 10 | 4.02% |
| Lysine LYS (K) | 6 | 2.41% |
| Methionine MET (M) | 3 | 1.2% |
| Leucine LEU (L) | 27 | 10.84% |
| Asparagine ASN (N) | 8 | 3.21% |
| Glutamine GLN (Q) | 9 | 3.61% |
| Proline PRO (P) | 18 | 7.23% |
| Serine SER (S) | 17 | 6.83% |
| Arginine ARG (R) | 12 | 4.82% |
| Threonine THR (T) | 16 | 6.43% |
| Tryptophan TRP (W) | 3 | 1.2% |
| Valine VAL (V) | 13 | 5.22% |
| Tyrosine TYR (Y) | 5 | 2.01% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1143 |
| Hydrogen | H | 1777 |
| Nitrogen | N | 331 |
| Oxygen | O | 339 |
| Sulphur | S | 20 |
| Formula | C1143H1777N331O339S20 |
| Total Number of Atoms: | 3610 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 17 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 24950 Absorption 0.1% (=1 g/l) 0.952, assuming all pairs of CYS residues form cystines Ext. coefficient 23950 Absorption 0.1% (=1 g/l) 0.913, assuming all CYS residues are reduced |
| Aromaticity: | 0.072 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 44.32 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.50, 28.11, 26.51] 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: | 73.3736 |
| Grand average of hydropathicity (GRAVY): | -0.02 |