Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1173 |
| Number of amino acids: | 244 |
| Molecular Weight: | 25763.52 Da |
| Theoretical pI: | 8.78 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 22 | 9.02% |
| Cysteine CYS (C) | 18 | 7.38% |
| Glutamic Acid GLU (E) | 3 | 1.23% |
| Aspartic Acid ASP (D) | 9 | 3.69% |
| Glycine GLY (G) | 28 | 11.48% |
| Phynylalanine PHE (F) | 9 | 3.69% |
| Isoleucine ILE (I) | 11 | 4.51% |
| Histidine HIS (H) | 7 | 2.87% |
| Lysine LYS (K) | 10 | 4.1% |
| Methionine MET (M) | 4 | 1.64% |
| Leucine LEU (L) | 18 | 7.38% |
| Asparagine ASN (N) | 8 | 3.28% |
| Glutamine GLN (Q) | 4 | 1.64% |
| Proline PRO (P) | 17 | 6.97% |
| Serine SER (S) | 25 | 10.25% |
| Arginine ARG (R) | 11 | 4.51% |
| Threonine THR (T) | 15 | 6.15% |
| Tryptophan TRP (W) | 3 | 1.23% |
| Valine VAL (V) | 11 | 4.51% |
| Tyrosine TYR (Y) | 11 | 4.51% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1129 |
| Hydrogen | H | 1746 |
| Nitrogen | N | 316 |
| Oxygen | O | 332 |
| Sulphur | S | 22 |
| Formula | C1129H1746N316O332S22 |
| Total Number of Atoms: | 3545 |
| Total number of positively charged residues (ARG + LYS): | 21 |
| 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 34015 Absorption 0.1% (=1 g/l) 1.320, assuming all pairs of CYS residues form cystines Ext. coefficient 32890 Absorption 0.1% (=1 g/l) 1.277, assuming all CYS residues are reduced |
| Aromaticity: | 0.094 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 47.19 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.82, 31.97, 19.26] 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: | 68.4426 |
| Grand average of hydropathicity (GRAVY): | 0.00 |