Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_828 |
| Number of amino acids: | 193 |
| Molecular Weight: | 21607.96 Da |
| Theoretical pI: | 9.95 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 13 | 6.74% |
| Cysteine CYS (C) | 11 | 5.7% |
| Glutamic Acid GLU (E) | 7 | 3.63% |
| Aspartic Acid ASP (D) | 1 | 0.52% |
| Glycine GLY (G) | 10 | 5.18% |
| Phynylalanine PHE (F) | 13 | 6.74% |
| Isoleucine ILE (I) | 10 | 5.18% |
| Histidine HIS (H) | 4 | 2.07% |
| Lysine LYS (K) | 10 | 5.18% |
| Methionine MET (M) | 2 | 1.04% |
| Leucine LEU (L) | 14 | 7.25% |
| Asparagine ASN (N) | 9 | 4.66% |
| Glutamine GLN (Q) | 2 | 1.04% |
| Proline PRO (P) | 7 | 3.63% |
| Serine SER (S) | 25 | 12.95% |
| Arginine ARG (R) | 17 | 8.81% |
| Threonine THR (T) | 18 | 9.33% |
| Tryptophan TRP (W) | 2 | 1.04% |
| Valine VAL (V) | 11 | 5.7% |
| Tyrosine TYR (Y) | 7 | 3.63% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 956 |
| Hydrogen | H | 1509 |
| Nitrogen | N | 275 |
| Oxygen | O | 271 |
| Sulphur | S | 13 |
| Formula | C956H1509N275O271S13 |
| Total Number of Atoms: | 3024 |
| Total number of positively charged residues (ARG + LYS): | 27 |
| Total number of negatively charged residues (ASP + GLU): | 8 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 22055 Absorption 0.1% (=1 g/l) 1.021, assuming all pairs of CYS residues form cystines Ext. coefficient 21430 Absorption 0.1% (=1 g/l) 0.992, 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 : 63.30 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.53, 26.42, 18.65] 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: | 71.7617 |
| Grand average of hydropathicity (GRAVY): | -0.09 |