Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4457 |
| Number of amino acids: | 327 |
| Molecular Weight: | 36501.66 Da |
| Theoretical pI: | 8.99 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 4.28% |
| Cysteine CYS (C) | 9 | 2.75% |
| Glutamic Acid GLU (E) | 20 | 6.12% |
| Aspartic Acid ASP (D) | 12 | 3.67% |
| Glycine GLY (G) | 23 | 7.03% |
| Phynylalanine PHE (F) | 13 | 3.98% |
| Isoleucine ILE (I) | 12 | 3.67% |
| Histidine HIS (H) | 12 | 3.67% |
| Lysine LYS (K) | 12 | 3.67% |
| Methionine MET (M) | 8 | 2.45% |
| Leucine LEU (L) | 35 | 10.7% |
| Asparagine ASN (N) | 12 | 3.67% |
| Glutamine GLN (Q) | 11 | 3.36% |
| Proline PRO (P) | 23 | 7.03% |
| Serine SER (S) | 35 | 10.7% |
| Arginine ARG (R) | 27 | 8.26% |
| Threonine THR (T) | 20 | 6.12% |
| Tryptophan TRP (W) | 3 | 0.92% |
| Valine VAL (V) | 20 | 6.12% |
| Tyrosine TYR (Y) | 6 | 1.83% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1598 |
| Hydrogen | H | 2544 |
| Nitrogen | N | 470 |
| Oxygen | O | 476 |
| Sulphur | S | 17 |
| Formula | C1598H2544N470O476S17 |
| Total Number of Atoms: | 5105 |
| Total number of positively charged residues (ARG + LYS): | 39 |
| Total number of negatively charged residues (ASP + GLU): | 32 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 25940 Absorption 0.1% (=1 g/l) 0.711, assuming all pairs of CYS residues form cystines Ext. coefficient 25440 Absorption 0.1% (=1 g/l) 0.697, assuming all CYS residues are reduced |
| Aromaticity: | 0.067 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 50.81 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.22, 28.44, 23.55] 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: | 78.0735 |
| Grand average of hydropathicity (GRAVY): | -0.39 |