Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1424 |
| Number of amino acids: | 248 |
| Molecular Weight: | 26655.77 Da |
| Theoretical pI: | 9.18 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 18 | 7.26% |
| Cysteine CYS (C) | 16 | 6.45% |
| Glutamic Acid GLU (E) | 2 | 0.81% |
| Aspartic Acid ASP (D) | 10 | 4.03% |
| Glycine GLY (G) | 25 | 10.08% |
| Phynylalanine PHE (F) | 11 | 4.44% |
| Isoleucine ILE (I) | 10 | 4.03% |
| Histidine HIS (H) | 5 | 2.02% |
| Lysine LYS (K) | 14 | 5.65% |
| Methionine MET (M) | 4 | 1.61% |
| Leucine LEU (L) | 22 | 8.87% |
| Asparagine ASN (N) | 10 | 4.03% |
| Glutamine GLN (Q) | 4 | 1.61% |
| Proline PRO (P) | 18 | 7.26% |
| Serine SER (S) | 24 | 9.68% |
| Arginine ARG (R) | 12 | 4.84% |
| Threonine THR (T) | 17 | 6.85% |
| Tryptophan TRP (W) | 3 | 1.21% |
| Valine VAL (V) | 12 | 4.84% |
| Tyrosine TYR (Y) | 11 | 4.44% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1181 |
| Hydrogen | H | 1839 |
| Nitrogen | N | 325 |
| Oxygen | O | 339 |
| Sulphur | S | 20 |
| Formula | C1181H1839N325O339S20 |
| Total Number of Atoms: | 3704 |
| Total number of positively charged residues (ARG + LYS): | 26 |
| Total number of negatively charged residues (ASP + GLU): | 12 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 33890 Absorption 0.1% (=1 g/l) 1.271, assuming all pairs of CYS residues form cystines Ext. coefficient 32890 Absorption 0.1% (=1 g/l) 1.234, assuming all CYS residues are reduced |
| Aromaticity: | 0.101 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 47.14 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.82, 31.05, 18.55] 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: | 71.6129 |
| Grand average of hydropathicity (GRAVY): | -0.05 |