Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4066 |
| Number of amino acids: | 275 |
| Molecular Weight: | 28717.66 Da |
| Theoretical pI: | 9.64 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 29 | 10.55% |
| Cysteine CYS (C) | 8 | 2.91% |
| Glutamic Acid GLU (E) | 4 | 1.45% |
| Aspartic Acid ASP (D) | 7 | 2.55% |
| Glycine GLY (G) | 43 | 15.64% |
| Phynylalanine PHE (F) | 9 | 3.27% |
| Isoleucine ILE (I) | 9 | 3.27% |
| Histidine HIS (H) | 2 | 0.73% |
| Lysine LYS (K) | 9 | 3.27% |
| Methionine MET (M) | 9 | 3.27% |
| Leucine LEU (L) | 17 | 6.18% |
| Asparagine ASN (N) | 13 | 4.73% |
| Glutamine GLN (Q) | 10 | 3.64% |
| Proline PRO (P) | 13 | 4.73% |
| Serine SER (S) | 26 | 9.45% |
| Arginine ARG (R) | 16 | 5.82% |
| Threonine THR (T) | 13 | 4.73% |
| Tryptophan TRP (W) | 6 | 2.18% |
| Valine VAL (V) | 20 | 7.27% |
| Tyrosine TYR (Y) | 12 | 4.36% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1260 |
| Hydrogen | H | 1959 |
| Nitrogen | N | 365 |
| Oxygen | O | 372 |
| Sulphur | S | 17 |
| Formula | C1260H1959N365O372S17 |
| Total Number of Atoms: | 3973 |
| Total number of positively charged residues (ARG + LYS): | 25 |
| 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 51380 Absorption 0.1% (=1 g/l) 1.789, assuming all pairs of CYS residues form cystines Ext. coefficient 50880 Absorption 0.1% (=1 g/l) 1.772, 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 : 42.58 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.55, 34.55, 21.45] 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: | 68.5092 |
| Grand average of hydropathicity (GRAVY): | -0.07 |