Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1301 |
| Number of amino acids: | 244 |
| Molecular Weight: | 25686.82 Da |
| Theoretical pI: | 5.81 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 28 | 11.48% |
| Cysteine CYS (C) | 17 | 6.97% |
| Glutamic Acid GLU (E) | 6 | 2.46% |
| Aspartic Acid ASP (D) | 13 | 5.33% |
| Glycine GLY (G) | 21 | 8.61% |
| Phynylalanine PHE (F) | 16 | 6.56% |
| Isoleucine ILE (I) | 8 | 3.28% |
| Histidine HIS (H) | 1 | 0.41% |
| Lysine LYS (K) | 13 | 5.33% |
| Methionine MET (M) | 2 | 0.82% |
| Leucine LEU (L) | 13 | 5.33% |
| Asparagine ASN (N) | 14 | 5.74% |
| Glutamine GLN (Q) | 9 | 3.69% |
| Proline PRO (P) | 15 | 6.15% |
| Serine SER (S) | 22 | 9.02% |
| Arginine ARG (R) | 5 | 2.05% |
| Threonine THR (T) | 23 | 9.43% |
| Tryptophan TRP (W) | 3 | 1.23% |
| Valine VAL (V) | 9 | 3.69% |
| Tyrosine TYR (Y) | 6 | 2.46% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1119 |
| Hydrogen | H | 1710 |
| Nitrogen | N | 300 |
| Oxygen | O | 357 |
| Sulphur | S | 19 |
| Formula | C1119H1710N300O357S19 |
| Total Number of Atoms: | 3505 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 26440 Absorption 0.1% (=1 g/l) 1.029, assuming all pairs of CYS residues form cystines Ext. coefficient 25440 Absorption 0.1% (=1 g/l) 0.990, assuming all CYS residues are reduced |
| Aromaticity: | 0.102 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 34.85 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [22.54, 29.51, 20.08] 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: | 55.7377 |
| Grand average of hydropathicity (GRAVY): | -0.14 |