Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4081 |
| Number of amino acids: | 257 |
| Molecular Weight: | 27817.73 Da |
| Theoretical pI: | 9.76 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 21 | 8.17% |
| Cysteine CYS (C) | 8 | 3.11% |
| Glutamic Acid GLU (E) | 4 | 1.56% |
| Aspartic Acid ASP (D) | 5 | 1.95% |
| Glycine GLY (G) | 31 | 12.06% |
| Phynylalanine PHE (F) | 17 | 6.61% |
| Isoleucine ILE (I) | 10 | 3.89% |
| Histidine HIS (H) | 4 | 1.56% |
| Lysine LYS (K) | 7 | 2.72% |
| Methionine MET (M) | 8 | 3.11% |
| Leucine LEU (L) | 17 | 6.61% |
| Asparagine ASN (N) | 19 | 7.39% |
| Glutamine GLN (Q) | 6 | 2.33% |
| Proline PRO (P) | 13 | 5.06% |
| Serine SER (S) | 24 | 9.34% |
| Arginine ARG (R) | 15 | 5.84% |
| Threonine THR (T) | 17 | 6.61% |
| Tryptophan TRP (W) | 8 | 3.11% |
| Valine VAL (V) | 16 | 6.23% |
| Tyrosine TYR (Y) | 7 | 2.72% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1242 |
| Hydrogen | H | 1886 |
| Nitrogen | N | 350 |
| Oxygen | O | 349 |
| Sulphur | S | 16 |
| Formula | C1242H1886N350O349S16 |
| Total Number of Atoms: | 3843 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| 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 54930 Absorption 0.1% (=1 g/l) 1.975, assuming all pairs of CYS residues form cystines Ext. coefficient 54430 Absorption 0.1% (=1 g/l) 1.957, assuming all CYS residues are reduced |
| Aromaticity: | 0.125 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 36.73 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.18, 33.85, 19.46] 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: | 67.1985 |
| Grand average of hydropathicity (GRAVY): | -0.04 |