Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4805 |
| Number of amino acids: | 194 |
| Molecular Weight: | 21042.08 Da |
| Theoretical pI: | 5.71 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 6 | 3.09% |
| Cysteine CYS (C) | 24 | 12.37% |
| Glutamic Acid GLU (E) | 11 | 5.67% |
| Aspartic Acid ASP (D) | 10 | 5.15% |
| Glycine GLY (G) | 28 | 14.43% |
| Phynylalanine PHE (F) | 2 | 1.03% |
| Isoleucine ILE (I) | 5 | 2.58% |
| Histidine HIS (H) | 5 | 2.58% |
| Lysine LYS (K) | 8 | 4.12% |
| Methionine MET (M) | 6 | 3.09% |
| Leucine LEU (L) | 20 | 10.31% |
| Asparagine ASN (N) | 5 | 2.58% |
| Glutamine GLN (Q) | 10 | 5.15% |
| Proline PRO (P) | 6 | 3.09% |
| Serine SER (S) | 15 | 7.73% |
| Arginine ARG (R) | 9 | 4.64% |
| Threonine THR (T) | 5 | 2.58% |
| Tryptophan TRP (W) | 4 | 2.06% |
| Valine VAL (V) | 8 | 4.12% |
| Tyrosine TYR (Y) | 7 | 3.61% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 883 |
| Hydrogen | H | 1386 |
| Nitrogen | N | 258 |
| Oxygen | O | 279 |
| Sulphur | S | 30 |
| Formula | C883H1386N258O279S30 |
| Total Number of Atoms: | 2836 |
| Total number of positively charged residues (ARG + LYS): | 17 |
| Total number of negatively charged residues (ASP + GLU): | 21 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 33930 Absorption 0.1% (=1 g/l) 1.612, assuming all pairs of CYS residues form cystines Ext. coefficient 32430 Absorption 0.1% (=1 g/l) 1.541, assuming all CYS residues are reduced |
| Aromaticity: | 0.067 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 48.09 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.71, 27.84, 22.16] 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: | 65.3094 |
| Grand average of hydropathicity (GRAVY): | -0.22 |