Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4201 |
| Number of amino acids: | 166 |
| Molecular Weight: | 17959.32 Da |
| Theoretical pI: | 5.58 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 19 | 11.45% |
| Cysteine CYS (C) | 10 | 6.02% |
| Glutamic Acid GLU (E) | 12 | 7.23% |
| Aspartic Acid ASP (D) | 5 | 3.01% |
| Glycine GLY (G) | 3 | 1.81% |
| Phynylalanine PHE (F) | 5 | 3.01% |
| Isoleucine ILE (I) | 9 | 5.42% |
| Histidine HIS (H) | 7 | 4.22% |
| Lysine LYS (K) | 5 | 3.01% |
| Methionine MET (M) | 1 | 0.6% |
| Leucine LEU (L) | 17 | 10.24% |
| Asparagine ASN (N) | 4 | 2.41% |
| Glutamine GLN (Q) | 4 | 2.41% |
| Proline PRO (P) | 10 | 6.02% |
| Serine SER (S) | 23 | 13.86% |
| Arginine ARG (R) | 6 | 3.61% |
| Threonine THR (T) | 15 | 9.04% |
| Tryptophan TRP (W) | 2 | 1.2% |
| Valine VAL (V) | 6 | 3.61% |
| Tyrosine TYR (Y) | 3 | 1.81% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 781 |
| Hydrogen | H | 1233 |
| Nitrogen | N | 213 |
| Oxygen | O | 250 |
| Sulphur | S | 11 |
| Formula | C781H1233N213O250S11 |
| Total Number of Atoms: | 2488 |
| Total number of positively charged residues (ARG + LYS): | 11 |
| 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 16095 Absorption 0.1% (=1 g/l) 0.896, assuming all pairs of CYS residues form cystines Ext. coefficient 15470 Absorption 0.1% (=1 g/l) 0.861, assuming all CYS residues are reduced |
| Aromaticity: | 0.060 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 47.79 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.30, 24.10, 29.52] 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: | 83.0122 |
| Grand average of hydropathicity (GRAVY): | -0.02 |