Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1523 |
| Number of amino acids: | 255 |
| Molecular Weight: | 26208.89 Da |
| Theoretical pI: | 4.5 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 22 | 8.63% |
| Cysteine CYS (C) | 16 | 6.27% |
| Glutamic Acid GLU (E) | 9 | 3.53% |
| Aspartic Acid ASP (D) | 14 | 5.49% |
| Glycine GLY (G) | 33 | 12.94% |
| Phynylalanine PHE (F) | 12 | 4.71% |
| Isoleucine ILE (I) | 2 | 0.78% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 6 | 2.35% |
| Methionine MET (M) | 3 | 1.18% |
| Leucine LEU (L) | 14 | 5.49% |
| Asparagine ASN (N) | 5 | 1.96% |
| Glutamine GLN (Q) | 6 | 2.35% |
| Proline PRO (P) | 16 | 6.27% |
| Serine SER (S) | 33 | 12.94% |
| Arginine ARG (R) | 9 | 3.53% |
| Threonine THR (T) | 28 | 10.98% |
| Tryptophan TRP (W) | 3 | 1.18% |
| Valine VAL (V) | 14 | 5.49% |
| Tyrosine TYR (Y) | 10 | 3.92% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1124 |
| Hydrogen | H | 1712 |
| Nitrogen | N | 302 |
| Oxygen | O | 384 |
| Sulphur | S | 19 |
| Formula | C1124H1712N302O384S19 |
| Total Number of Atoms: | 3541 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| Total number of negatively charged residues (ASP + GLU): | 23 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 32400 Absorption 0.1% (=1 g/l) 1.236, assuming all pairs of CYS residues form cystines Ext. coefficient 31400 Absorption 0.1% (=1 g/l) 1.198, assuming all CYS residues are reduced |
| Aromaticity: | 0.098 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 50.41 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [21.57, 34.12, 18.82] 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: | 49.0196 |
| Grand average of hydropathicity (GRAVY): | -0.17 |