Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_925 |
| Number of amino acids: | 247 |
| Molecular Weight: | 26198.89 Da |
| Theoretical pI: | 7.87 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 27 | 10.93% |
| Cysteine CYS (C) | 17 | 6.88% |
| Glutamic Acid GLU (E) | 10 | 4.05% |
| Aspartic Acid ASP (D) | 7 | 2.83% |
| Glycine GLY (G) | 24 | 9.72% |
| Phynylalanine PHE (F) | 9 | 3.64% |
| Isoleucine ILE (I) | 5 | 2.02% |
| Histidine HIS (H) | 10 | 4.05% |
| Lysine LYS (K) | 6 | 2.43% |
| Methionine MET (M) | 3 | 1.21% |
| Leucine LEU (L) | 24 | 9.72% |
| Asparagine ASN (N) | 9 | 3.64% |
| Glutamine GLN (Q) | 7 | 2.83% |
| Proline PRO (P) | 17 | 6.88% |
| Serine SER (S) | 19 | 7.69% |
| Arginine ARG (R) | 13 | 5.26% |
| Threonine THR (T) | 16 | 6.48% |
| Tryptophan TRP (W) | 3 | 1.21% |
| Valine VAL (V) | 15 | 6.07% |
| Tyrosine TYR (Y) | 6 | 2.43% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1141 |
| Hydrogen | H | 1779 |
| Nitrogen | N | 331 |
| Oxygen | O | 339 |
| Sulphur | S | 20 |
| Formula | C1141H1779N331O339S20 |
| Total Number of Atoms: | 3610 |
| Total number of positively charged residues (ARG + LYS): | 19 |
| 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 26440 Absorption 0.1% (=1 g/l) 1.009, assuming all pairs of CYS residues form cystines Ext. coefficient 25440 Absorption 0.1% (=1 g/l) 0.971, assuming all CYS residues are reduced |
| Aromaticity: | 0.073 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 48.31 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.10, 27.94, 25.91] 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: | 74.332 |
| Grand average of hydropathicity (GRAVY): | -0.02 |