Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5921 |
| Number of amino acids: | 258 |
| Molecular Weight: | 29474.33 Da |
| Theoretical pI: | 9.2 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 12 | 4.65% |
| Cysteine CYS (C) | 12 | 4.65% |
| Glutamic Acid GLU (E) | 12 | 4.65% |
| Aspartic Acid ASP (D) | 14 | 5.43% |
| Glycine GLY (G) | 16 | 6.2% |
| Phynylalanine PHE (F) | 14 | 5.43% |
| Isoleucine ILE (I) | 11 | 4.26% |
| Histidine HIS (H) | 2 | 0.78% |
| Lysine LYS (K) | 26 | 10.08% |
| Methionine MET (M) | 9 | 3.49% |
| Leucine LEU (L) | 26 | 10.08% |
| Asparagine ASN (N) | 11 | 4.26% |
| Glutamine GLN (Q) | 3 | 1.16% |
| Proline PRO (P) | 8 | 3.1% |
| Serine SER (S) | 21 | 8.14% |
| Arginine ARG (R) | 14 | 5.43% |
| Threonine THR (T) | 16 | 6.2% |
| Tryptophan TRP (W) | 2 | 0.78% |
| Valine VAL (V) | 14 | 5.43% |
| Tyrosine TYR (Y) | 15 | 5.81% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1318 |
| Hydrogen | H | 2076 |
| Nitrogen | N | 346 |
| Oxygen | O | 377 |
| Sulphur | S | 21 |
| Formula | C1318H2076N346O377S21 |
| Total Number of Atoms: | 4138 |
| Total number of positively charged residues (ARG + LYS): | 40 |
| Total number of negatively charged residues (ASP + GLU): | 26 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 34100 Absorption 0.1% (=1 g/l) 1.157, assuming all pairs of CYS residues form cystines Ext. coefficient 33350 Absorption 0.1% (=1 g/l) 1.131, assuming all CYS residues are reduced |
| Aromaticity: | 0.120 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 44.18 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [31.78, 21.71, 22.87] 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: | 76.3178 |
| Grand average of hydropathicity (GRAVY): | -0.25 |