Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1432 |
| Number of amino acids: | 167 |
| Molecular Weight: | 17975.25 Da |
| Theoretical pI: | 8 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 9 | 5.39% |
| Cysteine CYS (C) | 13 | 7.78% |
| Glutamic Acid GLU (E) | 4 | 2.4% |
| Aspartic Acid ASP (D) | 7 | 4.19% |
| Glycine GLY (G) | 26 | 15.57% |
| Phynylalanine PHE (F) | 9 | 5.39% |
| Isoleucine ILE (I) | 7 | 4.19% |
| Histidine HIS (H) | 1 | 0.6% |
| Lysine LYS (K) | 5 | 2.99% |
| Methionine MET (M) | 2 | 1.2% |
| Leucine LEU (L) | 7 | 4.19% |
| Asparagine ASN (N) | 12 | 7.19% |
| Glutamine GLN (Q) | 8 | 4.79% |
| Proline PRO (P) | 16 | 9.58% |
| Serine SER (S) | 6 | 3.59% |
| Arginine ARG (R) | 8 | 4.79% |
| Threonine THR (T) | 12 | 7.19% |
| Tryptophan TRP (W) | 7 | 4.19% |
| Valine VAL (V) | 5 | 2.99% |
| Tyrosine TYR (Y) | 3 | 1.8% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 788 |
| Hydrogen | H | 1173 |
| Nitrogen | N | 225 |
| Oxygen | O | 231 |
| Sulphur | S | 15 |
| Formula | C788H1173N225O231S15 |
| Total Number of Atoms: | 2432 |
| Total number of positively charged residues (ARG + LYS): | 13 |
| Total number of negatively charged residues (ASP + GLU): | 11 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 43720 Absorption 0.1% (=1 g/l) 2.432, assuming all pairs of CYS residues form cystines Ext. coefficient 42970 Absorption 0.1% (=1 g/l) 2.391, assuming all CYS residues are reduced |
| Aromaticity: | 0.114 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 38.22 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [22.75, 35.93, 13.17] 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: | 46.7665 |
| Grand average of hydropathicity (GRAVY): | -0.42 |