Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4005 |
| Number of amino acids: | 222 |
| Molecular Weight: | 25625.96 Da |
| Theoretical pI: | 5.72 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 12 | 5.41% |
| Cysteine CYS (C) | 10 | 4.5% |
| Glutamic Acid GLU (E) | 9 | 4.05% |
| Aspartic Acid ASP (D) | 18 | 8.11% |
| Glycine GLY (G) | 13 | 5.86% |
| Phynylalanine PHE (F) | 17 | 7.66% |
| Isoleucine ILE (I) | 9 | 4.05% |
| Histidine HIS (H) | 8 | 3.6% |
| Lysine LYS (K) | 15 | 6.76% |
| Methionine MET (M) | 5 | 2.25% |
| Leucine LEU (L) | 17 | 7.66% |
| Asparagine ASN (N) | 10 | 4.5% |
| Glutamine GLN (Q) | 14 | 6.31% |
| Proline PRO (P) | 13 | 5.86% |
| Serine SER (S) | 15 | 6.76% |
| Arginine ARG (R) | 6 | 2.7% |
| Threonine THR (T) | 8 | 3.6% |
| Tryptophan TRP (W) | 6 | 2.7% |
| Valine VAL (V) | 8 | 3.6% |
| Tyrosine TYR (Y) | 9 | 4.05% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1156 |
| Hydrogen | H | 1703 |
| Nitrogen | N | 301 |
| Oxygen | O | 333 |
| Sulphur | S | 15 |
| Formula | C1156H1703N301O333S15 |
| Total Number of Atoms: | 3508 |
| Total number of positively charged residues (ARG + LYS): | 21 |
| Total number of negatively charged residues (ASP + GLU): | 27 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 47035 Absorption 0.1% (=1 g/l) 1.835, assuming all pairs of CYS residues form cystines Ext. coefficient 46410 Absorption 0.1% (=1 g/l) 1.811, assuming all CYS residues are reduced |
| Aromaticity: | 0.144 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 46.95 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.73, 22.97, 19.37] 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: | 61.5315 |
| Grand average of hydropathicity (GRAVY): | -0.49 |