Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_933 |
| Number of amino acids: | 245 |
| Molecular Weight: | 25335.31 Da |
| Theoretical pI: | 4.87 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 26 | 10.61% |
| Cysteine CYS (C) | 16 | 6.53% |
| Glutamic Acid GLU (E) | 10 | 4.08% |
| Aspartic Acid ASP (D) | 10 | 4.08% |
| Glycine GLY (G) | 34 | 13.88% |
| Phynylalanine PHE (F) | 14 | 5.71% |
| Isoleucine ILE (I) | 4 | 1.63% |
| Histidine HIS (H) | 1 | 0.41% |
| Lysine LYS (K) | 3 | 1.22% |
| Methionine MET (M) | 4 | 1.63% |
| Leucine LEU (L) | 15 | 6.12% |
| Asparagine ASN (N) | 5 | 2.04% |
| Glutamine GLN (Q) | 5 | 2.04% |
| Proline PRO (P) | 18 | 7.35% |
| Serine SER (S) | 23 | 9.39% |
| Arginine ARG (R) | 12 | 4.9% |
| Threonine THR (T) | 23 | 9.39% |
| Tryptophan TRP (W) | 3 | 1.22% |
| Valine VAL (V) | 10 | 4.08% |
| Tyrosine TYR (Y) | 9 | 3.67% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1100 |
| Hydrogen | H | 1665 |
| Nitrogen | N | 299 |
| Oxygen | O | 351 |
| Sulphur | S | 20 |
| Formula | C1100H1665N299O351S20 |
| Total Number of Atoms: | 3435 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| Total number of negatively charged residues (ASP + GLU): | 20 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 30910 Absorption 0.1% (=1 g/l) 1.220, assuming all pairs of CYS residues form cystines Ext. coefficient 29910 Absorption 0.1% (=1 g/l) 1.181, assuming all CYS residues are reduced |
| Aromaticity: | 0.106 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 46.49 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [22.45, 32.65, 22.45] 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: | 52.6938 |
| Grand average of hydropathicity (GRAVY): | -0.06 |