Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_978 |
| Number of amino acids: | 244 |
| Molecular Weight: | 25985.83 Da |
| Theoretical pI: | 9 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 20 | 8.2% |
| Cysteine CYS (C) | 16 | 6.56% |
| Glutamic Acid GLU (E) | 1 | 0.41% |
| Aspartic Acid ASP (D) | 10 | 4.1% |
| Glycine GLY (G) | 26 | 10.66% |
| Phynylalanine PHE (F) | 11 | 4.51% |
| Isoleucine ILE (I) | 6 | 2.46% |
| Histidine HIS (H) | 3 | 1.23% |
| Lysine LYS (K) | 10 | 4.1% |
| Methionine MET (M) | 5 | 2.05% |
| Leucine LEU (L) | 21 | 8.61% |
| Asparagine ASN (N) | 8 | 3.28% |
| Glutamine GLN (Q) | 7 | 2.87% |
| Proline PRO (P) | 16 | 6.56% |
| Serine SER (S) | 27 | 11.07% |
| Arginine ARG (R) | 12 | 4.92% |
| Threonine THR (T) | 15 | 6.15% |
| Tryptophan TRP (W) | 3 | 1.23% |
| Valine VAL (V) | 15 | 6.15% |
| Tyrosine TYR (Y) | 12 | 4.92% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1145 |
| Hydrogen | H | 1772 |
| Nitrogen | N | 314 |
| Oxygen | O | 336 |
| Sulphur | S | 21 |
| Formula | C1145H1772N314O336S21 |
| Total Number of Atoms: | 3588 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 11 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 35380 Absorption 0.1% (=1 g/l) 1.362, assuming all pairs of CYS residues form cystines Ext. coefficient 34380 Absorption 0.1% (=1 g/l) 1.323, assuming all CYS residues are reduced |
| Aromaticity: | 0.107 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 53.90 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.87, 31.56, 19.26] 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: | 69.1803 |
| Grand average of hydropathicity (GRAVY): | 0.03 |