Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_644 |
| Number of amino acids: | 226 |
| Molecular Weight: | 24224.32 Da |
| Theoretical pI: | 8.33 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 17 | 7.52% |
| Cysteine CYS (C) | 16 | 7.08% |
| Glutamic Acid GLU (E) | 6 | 2.65% |
| Aspartic Acid ASP (D) | 10 | 4.42% |
| Glycine GLY (G) | 27 | 11.95% |
| Phynylalanine PHE (F) | 11 | 4.87% |
| Isoleucine ILE (I) | 8 | 3.54% |
| Histidine HIS (H) | 2 | 0.88% |
| Lysine LYS (K) | 9 | 3.98% |
| Methionine MET (M) | 3 | 1.33% |
| Leucine LEU (L) | 9 | 3.98% |
| Asparagine ASN (N) | 16 | 7.08% |
| Glutamine GLN (Q) | 8 | 3.54% |
| Proline PRO (P) | 21 | 9.29% |
| Serine SER (S) | 9 | 3.98% |
| Arginine ARG (R) | 11 | 4.87% |
| Threonine THR (T) | 22 | 9.73% |
| Tryptophan TRP (W) | 5 | 2.21% |
| Valine VAL (V) | 10 | 4.42% |
| Tyrosine TYR (Y) | 6 | 2.65% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1054 |
| Hydrogen | H | 1607 |
| Nitrogen | N | 301 |
| Oxygen | O | 320 |
| Sulphur | S | 19 |
| Formula | C1054H1607N301O320S19 |
| Total Number of Atoms: | 3301 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| Total number of negatively charged residues (ASP + GLU): | 16 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 37440 Absorption 0.1% (=1 g/l) 1.546, assuming all pairs of CYS residues form cystines Ext. coefficient 36440 Absorption 0.1% (=1 g/l) 1.504, 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 : 37.45 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [21.68, 32.30, 15.49] 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: | 49.6902 |
| Grand average of hydropathicity (GRAVY): | -0.40 |