Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1522 |
| Number of amino acids: | 127 |
| Molecular Weight: | 13411.23 Da |
| Theoretical pI: | 5.48 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 11.02% |
| Cysteine CYS (C) | 12 | 9.45% |
| Glutamic Acid GLU (E) | 8 | 6.3% |
| Aspartic Acid ASP (D) | 1 | 0.79% |
| Glycine GLY (G) | 8 | 6.3% |
| Phynylalanine PHE (F) | 2 | 1.57% |
| Isoleucine ILE (I) | 5 | 3.94% |
| Histidine HIS (H) | 3 | 2.36% |
| Lysine LYS (K) | 5 | 3.94% |
| Methionine MET (M) | 2 | 1.57% |
| Leucine LEU (L) | 9 | 7.09% |
| Asparagine ASN (N) | 7 | 5.51% |
| Glutamine GLN (Q) | 4 | 3.15% |
| Proline PRO (P) | 6 | 4.72% |
| Serine SER (S) | 14 | 11.02% |
| Arginine ARG (R) | 1 | 0.79% |
| Threonine THR (T) | 11 | 8.66% |
| Tryptophan TRP (W) | 2 | 1.57% |
| Valine VAL (V) | 8 | 6.3% |
| Tyrosine TYR (Y) | 5 | 3.94% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 575 |
| Hydrogen | H | 900 |
| Nitrogen | N | 154 |
| Oxygen | O | 187 |
| Sulphur | S | 14 |
| Formula | C575H900N154O187S14 |
| Total Number of Atoms: | 1830 |
| Total number of positively charged residues (ARG + LYS): | 6 |
| Total number of negatively charged residues (ASP + GLU): | 9 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 19200 Absorption 0.1% (=1 g/l) 1.432, assuming all pairs of CYS residues form cystines Ext. coefficient 18450 Absorption 0.1% (=1 g/l) 1.376, assuming all CYS residues are reduced |
| Aromaticity: | 0.071 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 42.73 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.41, 27.56, 25.98] 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: | 72.2834 |
| Grand average of hydropathicity (GRAVY): | 0.09 |