Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4209 |
| Number of amino acids: | 278 |
| Molecular Weight: | 30997.75 Da |
| Theoretical pI: | 9.09 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 15 | 5.4% |
| Cysteine CYS (C) | 13 | 4.68% |
| Glutamic Acid GLU (E) | 9 | 3.24% |
| Aspartic Acid ASP (D) | 15 | 5.4% |
| Glycine GLY (G) | 21 | 7.55% |
| Phynylalanine PHE (F) | 12 | 4.32% |
| Isoleucine ILE (I) | 15 | 5.4% |
| Histidine HIS (H) | 5 | 1.8% |
| Lysine LYS (K) | 23 | 8.27% |
| Methionine MET (M) | 8 | 2.88% |
| Leucine LEU (L) | 27 | 9.71% |
| Asparagine ASN (N) | 18 | 6.47% |
| Glutamine GLN (Q) | 7 | 2.52% |
| Proline PRO (P) | 7 | 2.52% |
| Serine SER (S) | 30 | 10.79% |
| Arginine ARG (R) | 13 | 4.68% |
| Threonine THR (T) | 8 | 2.88% |
| Tryptophan TRP (W) | 3 | 1.08% |
| Valine VAL (V) | 17 | 6.12% |
| Tyrosine TYR (Y) | 12 | 4.32% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1367 |
| Hydrogen | H | 2162 |
| Nitrogen | N | 378 |
| Oxygen | O | 402 |
| Sulphur | S | 21 |
| Formula | C1367H2162N378O402S21 |
| Total Number of Atoms: | 4330 |
| Total number of positively charged residues (ARG + LYS): | 36 |
| Total number of negatively charged residues (ASP + GLU): | 24 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 35130 Absorption 0.1% (=1 g/l) 1.133, assuming all pairs of CYS residues form cystines Ext. coefficient 34380 Absorption 0.1% (=1 g/l) 1.109, assuming all CYS residues are reduced |
| Aromaticity: | 0.097 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]: | [30.94, 27.34, 21.22] 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: | 82.0503 |
| Grand average of hydropathicity (GRAVY): | -0.19 |