Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_899 |
| Number of amino acids: | 226 |
| Molecular Weight: | 23221.4 Da |
| Theoretical pI: | 7.33 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 29 | 12.83% |
| Cysteine CYS (C) | 16 | 7.08% |
| Glutamic Acid GLU (E) | 2 | 0.88% |
| Aspartic Acid ASP (D) | 12 | 5.31% |
| Glycine GLY (G) | 25 | 11.06% |
| Phynylalanine PHE (F) | 12 | 5.31% |
| Isoleucine ILE (I) | 11 | 4.87% |
| Histidine HIS (H) | 1 | 0.44% |
| Lysine LYS (K) | 9 | 3.98% |
| Methionine MET (M) | 2 | 0.88% |
| Leucine LEU (L) | 11 | 4.87% |
| Asparagine ASN (N) | 6 | 2.65% |
| Glutamine GLN (Q) | 4 | 1.77% |
| Proline PRO (P) | 14 | 6.19% |
| Serine SER (S) | 18 | 7.96% |
| Arginine ARG (R) | 6 | 2.65% |
| Threonine THR (T) | 24 | 10.62% |
| Tryptophan TRP (W) | 2 | 0.88% |
| Valine VAL (V) | 13 | 5.75% |
| Tyrosine TYR (Y) | 9 | 3.98% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1021 |
| Hydrogen | H | 1573 |
| Nitrogen | N | 267 |
| Oxygen | O | 316 |
| Sulphur | S | 18 |
| Formula | C1021H1573N267O316S18 |
| Total Number of Atoms: | 3195 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| Total number of negatively charged residues (ASP + GLU): | 14 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 25410 Absorption 0.1% (=1 g/l) 1.094, assuming all pairs of CYS residues form cystines Ext. coefficient 24410 Absorption 0.1% (=1 g/l) 1.051, 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 : 37.47 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.66, 27.88, 19.47] 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: | 67.4779 |
| Grand average of hydropathicity (GRAVY): | 0.22 |