Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5491 |
| Number of amino acids: | 183 |
| Molecular Weight: | 20516.7 Da |
| Theoretical pI: | 8.75 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 13 | 7.1% |
| Cysteine CYS (C) | 3 | 1.64% |
| Glutamic Acid GLU (E) | 10 | 5.46% |
| Aspartic Acid ASP (D) | 7 | 3.83% |
| Glycine GLY (G) | 14 | 7.65% |
| Phynylalanine PHE (F) | 12 | 6.56% |
| Isoleucine ILE (I) | 16 | 8.74% |
| Histidine HIS (H) | 3 | 1.64% |
| Lysine LYS (K) | 12 | 6.56% |
| Methionine MET (M) | 2 | 1.09% |
| Leucine LEU (L) | 16 | 8.74% |
| Asparagine ASN (N) | 8 | 4.37% |
| Glutamine GLN (Q) | 6 | 3.28% |
| Proline PRO (P) | 11 | 6.01% |
| Serine SER (S) | 12 | 6.56% |
| Arginine ARG (R) | 8 | 4.37% |
| Threonine THR (T) | 10 | 5.46% |
| Tryptophan TRP (W) | 4 | 2.19% |
| Valine VAL (V) | 10 | 5.46% |
| Tyrosine TYR (Y) | 6 | 3.28% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 943 |
| Hydrogen | H | 1455 |
| Nitrogen | N | 243 |
| Oxygen | O | 260 |
| Sulphur | S | 5 |
| Formula | C943H1455N243O260S5 |
| Total Number of Atoms: | 2906 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| 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 31065 Absorption 0.1% (=1 g/l) 1.514, assuming all pairs of CYS residues form cystines Ext. coefficient 30940 Absorption 0.1% (=1 g/l) 1.508, assuming all CYS residues are reduced |
| Aromaticity: | 0.120 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 35.09 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [34.97, 24.59, 22.40] 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: | 91.1475 |
| Grand average of hydropathicity (GRAVY): | -0.05 |